| Month | YTY growth |
| Jun-07 | 25% |
| Jul-07 | 22% |
| Aug-07 | 28% |
| Sep-07 | 19% |
| Oct-07 | 19% |
| Nov-07 | 20% |
| Dec-07 | 18% |
| Jan-08 | 12% |
| Feb-08 | 14% |
| Mar-08 | 9% |
| Apr-08 | 15% |
| May-08 | 12% |
| Jun-08 | 11% |
| Jul-08 | 8% |
| Aug-08 | 6% |
| Sept-08 | 5% |
| Source: comScore | |
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| Month | YTY growth |
| Jun-07 | 25% |
| Jul-07 | 22% |
| Aug-07 | 28% |
| Sep-07 | 19% |
| Oct-07 | 19% |
| Nov-07 | 20% |
| Dec-07 | 18% |
| Jan-08 | 12% |
| Feb-08 | 14% |
| Mar-08 | 9% |
| Apr-08 | 15% |
| May-08 | 12% |
| Jun-08 | 11% |
| Jul-08 | 8% |
| Aug-08 | 6% |
| Sept-08 | 5% |
| Source: comScore | |