| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 27 | 61.3 % | ||
 | Windows XP | 12 | 27.2 % |  |
 | Windows NT | 10 | 22.7 % | |
 | Windows Vista | 1 | 2.2 % | |
 | Windows 2003 | 4 | 9 % | |
| Linux | 9 | 20.4 % | ||
 | Ubuntu | 2 | 4.5 % | |
 | Fedora | 2 | 4.5 % | |
 | GNU Linux (Unknown or unspecified distribution) | 5 | 11.3 % | |
| Macintosh | 5 | 11.3 % | ||
 | Mac OS X | 5 | 11.3 % | |
| Others | 3 | 6.8 % | ||
 | Unknown | 3 | 6.8 % | |