| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| 2009 | 0 | 0 | 3 | 4 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 1 |
| 2010 | 1 | 1 | 6 | 17 | 14 | 15 | 3 | 9 | 3 | 8 | 3 | 9 |
| 2011 | 1 | 3 | 1 | 21 | 5 | 12 | 28 | 17 | 13 | 0 | 0 | 38 |
| 2012 | 30 | 3 | 11 | 16 | 13 | 28 | 11 | 30 | 13 | 16 | 10 | 3 |
| 2013 | 9 | 11 | 24 | 12 | 6 | 4 | 3 | 6 | 1 | 1 | 0 | 0 |
| 2014 | 3 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |