| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| 2004 | 0 | 0 | 17 | 23 | 22 | 31 | 8 | 26 | 35 | 2 | 0 | 2 |
| 2005 | 0 | 0 | 0 | 2 | 0 | 7 | 1 | 0 | 1 | 0 | 0 | 3 |
| 2006 | 1 | 0 | 0 | 1 | 0 | 0 | 14 | 20 | 0 | 7 | 3 | 1 |
| 2007 | 11 | 20 | 39 | 16 | 17 | 4 | 4 | 37 | 56 | 27 | 46 | 67 |
| 2008 | 49 | 20 | 12 | 20 | 12 | 24 | 7 | 4 | 5 | 17 | 3 | 13 |
| 2009 | 8 | 22 | 1 | 8 | 7 | 16 | 52 | 18 | 14 | 8 | 22 | 37 |
| 2010 | 30 | 28 | 41 | 63 | 47 | 17 | 18 | 13 | 5 | 11 | 0 | 25 |
| 2011 | 49 | 29 | 34 | 20 | 36 | 31 | 21 | 10 | 38 | 19 | 8 | 16 |
| 2012 | 189 | 23 | 6 | 10 | 15 | 7 | 4 | 1 | 0 | 6 | 14 | 3 |
| 2013 | 0 | 2 | 0 | 11 | 2 | 19 | 15 | 22 | 0 | 0 | 0 | 0 |
| 2015 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |