| Versions | Percent | ||
|---|---|---|---|
| Windows | 58.8 % | ||
 | Windows XP | 6.1 % |  |
 | Windows NT | 47.4 % | |
 | Windows Vista | 5.1 % | |
| Linux | 16.6 % | ||
 | Ubuntu | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 16.6 % | |
| Macintosh | 17.4 % | ||
 | Mac OS X | 16.6 % | |
 | Mac OS | 0.8 % | |
| Others | 7 % | ||
 | Unknown | 7 % | |
 | Unknown Unix system | 0 % | |