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Desktop Top Operating System Share Trend | September, 2011 to July, 2012 |
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| Month | Windows XP | Windows 7 | Windows Vista | Mac OS X 10.7 | Mac OS X 10.6 | Other |
|---|---|---|---|---|---|---|
| September, 2011 | 50.50% | 32.42% | 9.09% | 1.41% | 3.53% | 3.06% |
| October, 2011 | 48.03% | 34.62% | 8.85% | 1.83% | 3.62% | 3.04% |
| November, 2011 | 48.89% | 34.60% | 8.48% | 1.86% | 3.22% | 2.94% |
| December, 2011 | 46.52% | 36.99% | 8.44% | 2.02% | 3.05% | 2.98% |
| January, 2012 | 47.19% | 36.40% | 8.22% | 2.18% | 2.95% | 3.06% |
| February, 2012 | 45.39% | 38.12% | 8.10% | 2.69% | 3.00% | 2.70% |
| March, 2012 | 46.86% | 37.54% | 7.65% | 2.59% | 2.79% | 2.58% |
| April, 2012 | 46.08% | 38.67% | 7.32% | 2.71% | 2.71% | 2.51% |
| May, 2012 | 44.85% | 40.51% | 6.88% | 2.82% | 2.59% | 2.35% |
| June, 2012 | 43.61% | 41.59% | 6.72% | 3.12% | 2.57% | 2.38% |
| July, 2012 | 42.86% | 42.21% | 6.60% | 3.27% | 2.48% | 2.58% |