Que sistemas operativos son los mas utilizados?

1. Windows XP (72.93%)
2. Windows Vista (17.90%)
3. Mac OS X 10.5 (3.42%)
4. Linux (1.05%)
5. Mac OS X 10.4 (1.03%)
6. Windows 2000 (0.97%)
7. Windows 7 (0.89%)
8. iPhone (0.30%)
9. Windows 98 (0.14%)