| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 |
| 2006 | 14 | 9 | 13 | 2 | 2 | 0 | 2 | 3 | 4 | 14 | 5 | 7 |
| 2007 | 13 | 6 | 3 | 1 | 7 | 2 | 11 | 29 | 39 | 54 | 32 | 8 |
| 2008 | 39 | 44 | 11 | 11 | 9 | 12 | 13 | 8 | 20 | 13 | 18 | 1 |
| 2009 | 5 | 4 | 1 | 0 | 0 | 3 | 0 | 5 | 3 | 11 | 1 | 0 |
| 2010 | 0 | 0 | 1 | 3 | 2 | 0 | 0 | 0 | 0 | 3 | 2 | 2 |
| 2011 | 3 | 1 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 0 | 0 | 3 | 0 | 2 | 0 | 1 | 0 | 1 | 2 | 0 | 0 |