Kreisdiagramm Systeme
   Win2056338%
   Sonstige1593330%
   Win 7735314%
   Mac31846%
   Linux31256%
   Android13843%
   Win XP10002%
   iPhone7581%
   Win Vista2701%
   Win 20031800%
   iPad750%
   FreeBSD50%
   Win CE30%
   Win XP Media30%
   Mobile Phone20%
   Unix10%
   Win 9810%
   Symbian10%