How to Check Piano Popularity
Recently, I needed to buy a piano for my child, so I gathered some data for reference. Please remove if infringing.
The data roughly comes from online quotes from 2010 to 2014.
| Piano Model | Lowest Price | Number of Buyers |
|-------------------------|------------------------------|------------------------------------------------------|
| Ritmüller 120R3 | 12000 | 1602 |
| Pearl River 125M1 | 13000 | 1077 |
| Pearl River 118M | 8800 | 959 |
| Yamaha YU118D | 17500 | 835 |
| Yamaha YU118DN | 19800 | 742 |
| Kawai NK21 | 17000 | 704 |
| Pearl River 120M | 11500 | 692 |
| Kaiserburg UH121 | 20000 | 682 |
| Pearl River 118 | 8800 | 678 |
| Kawai KU-A1 | 19000 | 656 |
| Pearl River 118M2 | 9000 | 541 |
| Pearl River 118M+ | 9000 | 483 |
| Kawai KU120 | 18000 | 473 |
| Young Chang 121 | 16000 | 438 |
| Pearl River P2 | 15800 | 428 |
| Yamaha YU118C | 16000 | 421 |
| Yamaha 118 | 18800 | 406 |
| Yamaha YU121D | 21800 | 372 |
| Yamaha YU121C | 19800 | 312 |
| Ritmüller R2 | 16500 | 310 |
| Kawai 121 | 18500 | 308 |
| Pearl River T2 | 13500 | 293 |
| Yamaha YU121DS | 24000 | 290 |
| Yamaha 121 | 20000 | 289 |
| Pearl River 125M | 13000 | 283 |
| Bergmann 122 | 13000 | 277 |
| Yamaha YE121 | 18000 | 265 |
| Kawai K3 | 40000 | 255 |
| Kawai 120 | 19000 | 251 |
| Yamaha U1 | 13900 | 246 |
| Yamaha YU121 | 23000 | 237 |
| Kawai NK25 | 19600 | 232 |
| Pearl River 120 | 12000 | 232 |
| Kaiserburg UH123 | 21600 | 226 |
| Hailun 121 | 14500 | 225 |
| Kawai KC121 | 16500 | 224 |
| Ritmüller 120R | 11500 | 213 |
| Pearl River P1 | 15100 | 191 |
| Xinghai 123XK | 12000 | 186 |
| Ritmüller 118R2 | 10000 | 185 |
| Xinghai 118 | 8500 | 183 |
| Xinghai B120LS | 10500 | 174 |
| Young Chang U121 | 14800 | 170 |
| Kawai NK21A | 16800 | 168 |
| Pearl River 125 | 13000 | 168 |
| Bergmann B122C | 12600 | 163 |
| Yamaha 118C | 16500 | 156 |
| Kawai KU121 | 20000 | 150 |
| Xinghai XU-121CA | 11900 | 148 |
| Xinghai 120 | 10200 | 147 |
| Yamaha YE118 | 16800 | 145 |
| Young Chang YB122 | 16000 | 145 |
| Ritmüller R1 | 15600 | 143 |
| Yamaha U3 | 16500 | 140 |
| Young Chang U121DS | 15000 | 136 |
| Kawai KU-A2 | 24500 | 136 |
| Young Chang U121ES | 15000 | 128 |
| Kawai NK21B | 17600 | 126 |
| Hailun HL121 | 14800 | 122 |
| Yamaha U3H | 16600 | 121 |
| Baldwin BJ122 | 17500 | 119 |
| Kawai NK23 | 18500 | 110 |
| Hailun 120 | 12000 | 110 |
| Hailun H-1P | 19000 | 109 |
| Kawai NK18 | 16000 | 109 |
| Young Chang YB122CS | 15800 | 104 |
| Kawai KU-S1 | 17800 | 104 |
| Kawai NK19 | 16000 | 102 |
``` Here is the translated text in English:
| Kawai 118 | 14500 | 98 |
| Kaiserburg UH118 | 17500 | 96 |
| Young Chang U121NSD | 15500 | 95 |
| Young Chang U121D | 14000 | 91 |
| Pearl River T1 | 12500 | 89 |
| Yamaha U1H | 14000 | 86 |
| Young Chang U121SMS | 15500 | 85 |
| Xinghai XU-123C | 13500 | 84 |
| Hailun 125 | 16000 | 83 |
| Young Chang 121D | 12800 | 83 |
| Bergmann 121 | 11800 | 81 |
| Young Chang 131 | 16800 | 80 |
| Ritmüller 126R | 13500 | 80 |
| Yamaha YU118DNS | 20000 | 79 |
| Kawai KU125 | 28600 | 76 |
| Young Chang YB122C | 13600 | 76 |
| Kawai KU20P | 18900 | 76 |
| Pearl River 118M6 | 9500 | 75 |
| Bergmann 122C | 12500 | 73 |
| Hailun H-3P | 21500 | 71 |
| Kawai KU122 | 20000 | 71 |
| Weber 49 | 25000 | 68 |
| Ritmüller 123R | 13000 | 68 |
| Bergmann B122 | 12500 | 68 |
| Samick JS122MD | 23500 | 66 |
| Yamaha YA118C | 16500 | 66 |
| Kawai KU120P | 19000 | 66 |
| Hailun H-5P | 21000 | 64 |
| Young Chang 122 | 15500 | 64 |
| Baldwin BJ120 | 16000 | 64 |
| Hailun 123 | 14800 | 63 |
| Yamaha 121C | 19800 | 62 |
| Kawai US50 | 20000 | 62 |
| Ritmüller 120 | 12000 | 61 |
| Kawai NK20 | 17000 | 60 |
| Yamaha 116 | 14400 | 60 |
| Nordiska 120C | 11700 | 59 |
| Weber PW48S | 19500 | 59 |
| Yamaha YU128DS | 26500 | 58 |
| Kawai NK121 | 17000 | 57 |
| Xinghai 123 | 12000 | 56 |
| Kawai KU-C1 | 16800 | 54 |
| Harmony HG-122H | 13500 | 53 |
| Xinghai 118H | 7900 | 53 |
| Young Chang YP121BO | 15300 | 53 |
| Pearl River 118M4 | 10000 | 52 |
| Yamaha YA118 | 19000 | 52 |
| Ritmüller 120R4 | 13000 | 51 |
| Sejung 120 | 13000 | 50 |
| Ritmüller 121RK | 14000 | 50 |
| Hailun HU121C | 14000 | 50 |
| Kaiserburg UH126 | 23000 | 50 |
| Young Chang U121TNS | 16000 | 48 |
| Young Chang U121E | 14500 | 47 |
| Kawai K25E | 26000 | 47 |
| Pearl River P3 | 17000 | 47 |
| Young Chang 118 | 12000 | 47 |
| Xinghai 121 | 11500 | 46 |
| Harmony 122 | 13000 | 46 |
| Kawai 125 | 20000 | 46 |
| Ritmüller 118RK | 11800 | 46 |
| Yamaha YU118DS | 18800 | 46 |
| Hailun HL123 | 15000 | 45 |
| Kawai KC121C | 16800 | 45 |
| Yamaha 121DS | 22000 | 44 |
| Ritmüller 125R | 14800 | 44 |
| Kawai NK22 | 18000 | 43 |
| Yamaha YA118CN | 19500 | 42 |
| Yamaha U121C | 18500 | 42 |
| Samick ES121MD | 21000 | 41 |
| Weber PW49 | 23000 | 41 |
| Samick 121 | 19000 | 40 |
| Young Chang 120 | 13500 | 40 |Certainly! Below is the translated text into English:
| Baldwin 122 | 16800 | 40 |
| Pearl River 121 | 12800 | 39 |
| Baldwin 120 | 13600 | 39 |
| Yamaha U2 | 14500 | 38 |
| Ritmüller 121R6 | 13500 | 38 |
| Young Chang B122C | 12800 | 38 |
| Pearl River 120S | 12000 | 38 |
| Weber PW49FS | 21000 | 38 |
| Kayserburg UH130 | 24000 | 38 |
| Kawai 122 | 19500 | 37 |
| Ritmüller 121R3 | 12800 | 37 |
| Yamaha U1E | 11500 | 36 |
| Pearl River 118F6 | 11800 | 35 |
| Nordiska 120 | 11000 | 35 |
| Yamaha YU128 | 26000 | 35 |
| Kayserburg UH121A | 19800 | 34 |
| Baldwin BH125 | 24000 | 34 |
| Kawai KU121P | 18300 | 33 |
| Baldwin BJ124 | 19800 | 33 |
| Bergmann 120 | 11000 | 33 |
| Kawai 120P | 18500 | 33 |
| Yamaha U121G | 18500 | 33 |
| Baldwin BJ118 | 14800 | 33 |
| Ritmüller 126R2 | 13700 | 33 |
| Yamaha YU121DSPE | 23500 | 32 |
| Pearl River R3 | 12000 | 32 |
| Ritmüller 121 | 12700 | 32 |
| Young Chang YP123L1 | 21000 | 32 |
| Kawai 119 | 16000 | 32 |
| Kawai K8 | 11500 | 32 |
| Hailun HU125 | 16800 | 32 |
| Yamaha 125 | 13000 | 31 |
| Harmony 123 | 14000 | 31 |
| Ritmüller 121RT | 14500 | 31 |
| Xinghai 118C | 8500 | 31 |
| Young Chang YP123 | 23000 | 31 |
| Samick 118 | 17600 | 31 |
| Semblance 121 | 12800 | 30 |
| Ritmüller 118 | 11000 | 30 |
| Yamaha YE116 | 15000 | 30 |
| Yamaha YA121 | 22500 | 30 |
| Young Chang 121E | 14000 | 30 |
| Pearl River 118E | 9500 | 29 |
| Jing Zhu BUP120 | 12000 | 29 |
| Kawai BL-51 | 12000 | 29 |
| Yamaha 120 | 16800 | 29 |
| Strauss 120 | 9500 | 29 |
| Duke 123 | 12500 | 29 |
| Yamaha YA121CS | 23000 | 28 |
| Kawai BL71 | 14800 | 28 |
| Yamaha YU118CS | 17000 | 28 |
| Bergmann 118 | 10000 | 28 |
| Hailun HL125 | 17000 | 28 |
| Yamaha YU131DS | 29500 | 28 |
| Yamaha 125M1 | 13000 | 27 |
| Kawai 123 | 19800 | 27 |
| Kawai KU126 | 25000 | 27 |
| Pearl River 120T2 | 13000 | 27 |
| Kawai K5 | 46000 | 27 |
| Young Chang 121BO | 15500 | 27 |
| Toyama 120 | 11300 | 27 |
| Toyama TX-21 | 12600 | 27 |
| Nordiska 146 | 25000 | 27 |
| Weiten 120 | 11500 | 26 |
| Harmony 120 | 12000 | 26 |
| Ritmüller 125RK | 15000 | 26 |
| Yamaha YU118DPE | 17000 | 26 |
| Jing Zhu 120 | 12000 | 26 |
| Yamaha YU116D | 15000 | 26 |
| Kawai KU123 | 21300 | 26 |
| Kawai KU120PS | 20000 | 26 |
| Kawai BL51 | 12000 | 26 |
| Haiman 120 | 9900 | 25 |Here's the translated text to English:
| Yamaha YA121C | 20800 | 25 |
| Sejeong 118 | 11300 | 25 |
| Yamaha YU118DNPE | 18000 | 25 |
| Yamaha YU121CS | 20500 | 25 |
| Kingsberg KG122 | 18500 | 25 |
| Yamaha UX | 20000 | 25 |
| Kawai K35 | 9988 | 25 |
| Kawai S1 | 16500 | 25 |
| Samick JS122 | 24800 | 25 |
| Duke 118 | 10000 | 25 |
| Yamaha 131 | 19000 | 25 |
| Young Chang YE121S | 12800 | 24 |
| Kawai BL31 | 11000 | 24 |
| Kawai BL61 | 13000 | 24 |
| Kawai BL-31 | 12000 | 24 |
| Weber PW48 | 21000 | 24 |
| Kawai KU132 | 28000 | 24 |
| Helen HL120 | 12000 | 24 |
| Young Chang YP121NBO | 16800 | 24 |
| Toyama 121 | 12000 | 24 |
| Xinghai B120 | 11500 | 24 |
| Baldwin 118 | 13800 | 24 |
| Kawai 21 | 16800 | 23 |
| Pearl River 120M2 | 12000 | 23 |
| Young Chang U131 | 18000 | 23 |
| Pearl River 118F2 | 11000 | 23 |
| Xinghai XU121C | 12000 | 23 |
| Kawai 121C | 17000 | 23 |
| Weber 52 | 21500 | 23 |
| Yamaha YC121 | 31000 | 23 |
| Yamaha CJ121 | 21000 | 23 |
| Duke 120 | 12800 | 23 |
| Pearl River 118F8 | 12800 | 23 |
| Pearl River 118MT | 11800 | 23 |
| Pearl River 130 | 16000 | 22 |
| Kawai KS-2F | 13800 | 22 |
| Kawai K20 | 10800 | 22 |
| Yamaha U2H | 14500 | 22 |
| Kaiserburg UH132 | 25000 | 22 |
| Yamaha YB120 | 17200 | 22 |
| Strauss 118 | 8000 | 21 |
| Pearl River 118F | 11000 | 21 |
| Pearl River 118+ | 8300 | 21 |
| Weber 48 | 20000 | 21 |
| Samick ES121 | 23000 | 21 |
| Kawai KU118 | 14980 | 21 |
| Xinghai 118T | 8400 | 21 |
| Weber PW52S | 22600 | 21 |
| Xinghai XU118 | 8000 | 21 |
| Kawai 131 | 11000 | 21 |
| Kawai KUA3 | 25600 | 20 |
| Yamaha C3 | 66000 | 20 |
| Pearl River 118MS | 11500 | 20 |
| Kawai KS3F | 13800 | 20 |
| Yamaha U121 | 17173 | 20 |
| Kawai NK32 | 25000 | 20 |
| O'Malleer 121 | 22000 | 20 |
| Sejeong 122 | 14500 | 19 |
| Kingsberg KG125 | 21800 | 19 |
| Pearl River T3 | 14600 | 19 |
| St. Carlo 123 | 12000 | 19 |
| Kawai KU-120P | 19500 | 19 |
| Kawai US-50 | 20000 | 19 |
| Kawai KS-3F | 13000 | 19 |
| Pearl River T6 | 16500 | 19 |
| Toyama 122 | 12300 | 19 |
| Young Chang YP123L2 | 23500 | 19 |
| Kawai 132 | 28000 | 19 |
| Strauss 123 | 12400 | 19 |
| Kawai KU-P1 | 18800 | 19 |
| Young Chang U121DSBP | 13500 | 19 |
| Yamaha 118DNS | 18000 | 19 |
| Xinghai XU-26B | 14500 | 18 |Sure, here's the translated text from Chinese to English:
| Toyama 125 | 14,000 | 18 |
| Kawai NK118 | 15,800 | 18 |
| Pearl River P6 | 17,000 | 18 |
| Xinghai 125 | 12,500 | 18 |
| Young Chang 122C | 13,800 | 18 |
| Yamaha YU121CPE | 20,000 | 18 |
| Kawai KUA1S | 16,600 | 17 |
| Kawai BL-12 | 12,000 | 17 |
| Bosendorfer 122 | 17,600 | 17 |
| Pearl River M2 | 8,500 | 17 |
| Kawai KS2F | 13,000 | 17 |
| Xinghai B-120LS | 10,000 | 17 |
| Schumann 120 | 12,000 | 17 |
| Hailun 150 | 29,800 | 17 |
| W. Hoffmann 118A1 | 9,600 | 17 |
| Schubert 123 | 14,000 | 17 |
| Bergmann B121 | 12,000 | 17 |
| Duke 121 | 13,000 | 16 |
| Pearl River 123 | 11,500 | 16 |
| Weber PW52 | 21,000 | 16 |
| Yamaha YB117 | 14,300 | 16 |
| Toyama TS-1S | 19,000 | 16 |
| Kawai BL-71 | 15,800 | 16 |
| Young Chang U121NSD-BP | 15,800 | 16 |
| Ritmuller 123 | 13,500 | 16 |
| Haler 121 | 11,800 | 16 |
| Yamaha U3A | 20,000 | 16 |
| Kawai K6 | 42,000 | 16 |
| Semolo 120 | 12,800 | 16 |
| Apollo A8 | 10,000 | 16 |
| Kawai KUS3 | 23,500 | 16 |
| Saehan 2008 | 9,800 | 16 |
| Yamaha YA116 | 13,500 | 16 |
| Yamaha YU121DPE | 20,000 | 16 |
| Bergmann B121L | 12,000 | 15 |
| Pearl River 118F3 | 10,900 | 15 |
| Young Chang U121NCR | 15,040 | 15 |
| Yamaha U118G | 15,000 | 15 |
| Ritmuller 125 | 14,000 | 15 |
| Young Chang 131NS | 16,300 | 15 |
| Kawai KU120S | 15,800 | 15 |
| Ritmuller 121R1 | 13,200 | 15 |
| Young Chang U121SMSMRP | 15,100 | 15 |
| Pearl River 125RK | 15,000 | 15 |
| Modorly 120 | 11,000 | 15 |
| Bergmann B122CWCP | 13,000 | 15 |
| Toyama TX-19 | 9,999 | 15 |
| Yamaha U1D | 10,000 | 15 |
| Yamaha 128 | 25,000 | 15 |
| Kinsberg KU120 | 13,000 | 15 |
| Bernstein IBS120D | 22,500 | 15 |
| Kawai KU123P | 20,000 | 15 |
| Pearl River 121R6 | 14,600 | 15 |
| Kaiserburg UH-121 | 20,000 | 15 |
| Schumann E2-121 | 16,000 | 14 |
| Samick CS121 | 18,000 | 14 |
| Young Chang U131NS | 16,800 | 14 |
| Xinghai 118CA | 9,800 | 14 |
| Toyama TX19 | 9,990 | 14 |
| Cheru 120 | 10,000 | 14 |
| Baldwin BP1 | 21,000 | 14 |
| Pearl River PA | 15,100 | 14 |
| Kawai KU-125 | 25,000 | 14 |
| Ritmuller 121R | 14,600 | 14 |
| Bergmann B122CBP | 13,300 | 14 |
| Kawai KS-5F | 15,500 | 14 |
| Pearl River 118F4 | 11,000 | 14 |
| Ritmuller 120R2 | 12,800 | 14 |
| Yamaha U3M | 19,500 | 14 |
| Pearl River 118M7 | 10,000 | 14 |
| Xinghai XUD122 | 14,000 | 14 |
| Xinghai XU121 | 12,000 | 14 |
| Kawai 120PS | 20,000 | 14 |The text appears to be a list of piano models with their respective prices and ratings (or grades). Here's the translation to English:
| Helen HL121-A | 15700 | 14 |
| Pearl River 148 | 25800 | 14 |
| Sejung 123 | 13800 | 14 |
| Toyama 126 | 16000 | 13 |
| Young Chang U131NGS| 17000 | 13 |
| Ritmuller 123R1 | 13500 | 13 |
| Xinghai XUD-22T | 13000 | 13 |
| Young Chang U122 | 14500 | 13 |
| Yamaha 125M | 13500 | 13 |
| Ritmuller 120RK | 13700 | 13 |
| Ritmuller 120RJ | 13200 | 13 |
| Ritmuller R6 | 16300 | 13 |
| Kawai KU132E | 33800 | 13 |
| Kawai C1 | 16800 | 13 |
| Helen SE120 | 12000 | 13 |
| Pearl River 120R2 | 14960 | 13 |
| Yamaha YU116C | 14450 | 13 |
| Young Chang U121EBP| 14800 | 13 |
| Baldwin BH120 | 18800 | 13 |
| Yamaha U1F | 13500 | 13 |
| Young Chang YW121 | 16800 | 13 |
| Schumann E2 | 15000 | 13 |
| Yamaha YU116 | 15000 | 13 |
| Pearl River 118F9 | 11600 | 13 |
| Kawai KUS1S | 16000 | 13 |
| Kawai GM10 | 50000 | 13 |
| Kingsburg 120 | 12240 | 13 |
| Harman 123J | 16600 | 13 |
| Yamaha C2 | 73000 | 13 |
| Helen HL120C | 14500 | 13 |
| Xinghai XU-123BA | 12600 | 13 |
| Yamaha U1G | 13500 | 13 |
| Beijing Pearl River BUP121B | 14500 | 12 |
| Kawai A1S | 16800 | 12 |
| Young Chang U-121 | 13000 | 12 |
| Xinghai 123C | 13500 | 12 |
| Helen 121C | 13500 | 12 |
| Samick CS118 | 14000 | 12 |
| Yamaha U3E | 13500 | 12 |
| Helen 178 | 50000 | 12 |
| Helen 122SE | 13500 | 12 |
| Xinghai XU-20C | 12000 | 12 |
| Apollo 121 | 13600 | 12 |
| Bergmann 122WCP | 12500 | 12 |
| Yamaha YC131 | 22000 | 12 |
| Kawai 121P | 17000 | 12 |
| Young Chang YE121 | 13800 | 12 |
| Yamaha YU121EX | 27000 | 12 |
| Yamaha YA128CS | 26000 | 12 |
| Xinghai XU120 | 12000 | 12 |
| Pearl River 121RG | 13000 | 12 |
| Baldwin 125 | 17000 | 12 |
| Yamaha YA118CNS | 19300 | 12 |
| Kawai GM11 | 51000 | 11 |
| Young Chang YW121DS | 15000 | 11 |
| Kawai KU20PS | 18000 | 11 |
| Kawai BL-61 | 12000 | 11 |
| Harman 118 | 11000 | 11 |
| Eumiller 118 | 19000 | 11 |
| Yamaha YU118DNSPE | 20700 | 11 |
| Baldwin B47 | 40000 | 11 |
| Young Chang YB122CBP | 13600 | 11 |
| Ritmuller 123R2 | 15500 | 11 |
| Kawai US60 | 19500 | 11 |
| Samick CS121MD | 20500 | 11 |
| Kawai KU-120PS | 20500 | 11 |
| Yamaha U1A | 19800 | 11 |
| Bernstein 120 | 22000 | 11 |
| Yamaha GC1 | 83000 | 11 |
| Kawai KS-1F | 14500 | 11 |
| Harman 122L | 13800 | 11 |
| Steigler 122 | 16800 | 11 |
| Kingsburg 118 | 12000 | 11 |```
| Pearl River 118F5 | 11800 | 11 |
| Bernstein 122 | 23000 | 11 |
| Pearl River 130T3 | 15800 | 11 |
| Bernstein IBS122D | 23800 | 11 |
| Hailun 150SE | 29800 | NULL |
| Pearl River 118M1 | 8400 | NULL |
| Pearl River 118F1 | 10800 | NULL |
| Hailun 120SE | 12800 | NULL |