Here are the current statistics from SVP World's site:

Yamaha DGX series 32 [2.08%]
Yamaha CVP (Clavinova) series 47 [3.05%]
Yamaha PF series 5 [0.32%]
PSR 3xx SERIES (e.g. PSR340) 9 [0.58%]
PSR 5xx SERIES (e.g. PSR540) 27 [1.75%]
PSR 6xx SERIES (e.g. PSR640) 20 [1.30%]
PSR 7xx SERIES (e.g. PSR730) 61 [3.96%]
PSR 1000 10 [0.65%]
PSR 1100 12 [0.78%]
PSR 2000 231 [14.98%]
PSR 2100 126 [8.17%]
PSR 4000 / 5000 / 6000 / 7000 SERIES 22 [1.43%]
PSR 8000 32 [2.08%]
PSR 9000 223 [14.46%]
9000 PRO 68 [4.41%]
TYROS 455 [29.51%]
Technics KN series 50 [3.24%]
Roland VA series 8 [0.52%]
Roland E series 8 [0.52%]
Korg PA series 22 [1.43%]
Casio arranger 9 [0.58%]
GEM arranger 9 [0.58%]
Other manufacturer 56 [3.63%]

Gary