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Top Operating System Share Trend | April, 2008 to April, 2010 |
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| Month | Windows XP | Windows Vista | Windows 7 | Mac OS X 10.5 | Mac OS X 10.6 | Other |
|---|---|---|---|---|---|---|
| April, 2008 | 81.40% | 9.38% | 0.00% | 0.00% | 0.00% | 9.22% |
| May, 2008 | 80.71% | 10.13% | 0.00% | 0.00% | 0.00% | 9.16% |
| June, 2008 | 80.30% | 11.16% | 0.00% | 0.00% | 0.00% | 8.54% |
| July, 2008 | 80.11% | 11.67% | 0.00% | 0.00% | 0.00% | 8.21% |
| August, 2008 | 79.53% | 12.40% | 0.00% | 0.00% | 0.00% | 8.07% |
| September, 2008 | 78.55% | 12.77% | 0.00% | 0.00% | 0.00% | 8.68% |
| October, 2008 | 78.32% | 13.59% | 0.00% | 0.00% | 0.00% | 8.08% |
| November, 2008 | 77.18% | 14.28% | 0.00% | 0.00% | 0.00% | 8.54% |
| December, 2008 | 76.60% | 14.90% | 0.02% | 0.00% | 0.00% | 8.49% |
| January, 2009 | 75.84% | 15.72% | 0.13% | 2.57% | 0.00% | 5.74% |
| February, 2009 | 75.67% | 15.93% | 0.22% | 2.74% | 0.00% | 5.45% |
| March, 2009 | 75.00% | 16.43% | 0.26% | 2.96% | 0.00% | 5.35% |
| April, 2009 | 74.44% | 16.99% | 0.31% | 3.03% | 0.00% | 5.22% |
| May, 2009 | 73.69% | 17.35% | 0.56% | 3.17% | 0.00% | 5.21% |
| June, 2009 | 73.59% | 17.57% | 0.75% | 3.21% | 0.01% | 4.86% |
| July, 2009 | 72.91% | 17.90% | 0.89% | 3.42% | 0.02% | 4.86% |
| August, 2009 | 71.80% | 18.80% | 1.18% | 3.45% | 0.06% | 4.71% |
| September, 2009 | 71.51% | 18.62% | 1.52% | 3.03% | 0.77% | 4.55% |
| October, 2009 | 70.48% | 18.83% | 2.15% | 2.82% | 1.17% | 4.55% |
| November, 2009 | 69.05% | 18.55% | 4.00% | 2.61% | 1.38% | 4.41% |
| December, 2009 | 67.77% | 17.87% | 5.71% | 2.47% | 1.60% | 4.58% |
| January, 2010 | 66.16% | 17.47% | 7.57% | 2.37% | 1.80% | 4.64% |
| February, 2010 | 65.50% | 16.51% | 8.92% | 2.21% | 1.88% | 4.98% |
| March, 2010 | 64.46% | 16.01% | 10.24% | 2.26% | 2.13% | 4.91% |
| April, 2010 | 63.41% | 15.60% | 11.68% | 2.13% | 2.29% | 4.89% |