| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 7.69K | 4.61K | 12.8K | |||||||||
| 2010 | 2.90K | 4.40K | 1.43K | 1.64K | ||||||||
| 2009 | 20.6K | 3.78K | 9.87K | 1.72K | 8.18K | 10.9K | 7.11K | 3.02K | 3.05K | 13.6K | ||
| 2008 | 29.6K | 16.2K | 8.60K | 20.5K | 8.38K | 16.1K | 4.37K | 20.0K | 10.0K | 4.81K | 23.0K | 7.11K |
| 2007 | 35.1K | 90.4K | 11.7K | 72.3K | 30.0K | 12.0K | 19.1K | 209K | 79.2K | 88.2K | 5.80K | 28.8K |
| 2006 | 276K | 272K | 191K | 270K | 133K | 207K | 82.8K | 115K | 123K | 108K | 42.2K | 25.3K |
| 2005 | 1.12M | 330K | 165K |