| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2020 | 16 | 5 | 4 | 4 | 3 | ||||||||
| 2019 | 64 | 11 | 4 | 4 | 4 | 8 | 4 | 7 | 5 | 5 | 7 | 3 | 2 |
| 2018 | 52 | 9 | 4 | 2 | 3 | 4 | 3 | 2 | 3 | 3 | 6 | 8 | 5 |
| 2017 | 41 | 5 | 5 | 6 | 3 | 3 | 3 | 3 | 1 | 2 | 3 | 4 | 3 |
| 2016 | 52 | 5 | 5 | 2 | 7 | 5 | 6 | 5 | 4 | 3 | 5 | 4 | 1 |
| 2015 | 46 | 2 | 2 | 3 | 3 | 1 | 3 | 3 | 5 | 3 | 7 | 11 | 3 |
| 2014 | 61 | 4 | 5 | 10 | 7 | 5 | 7 | 3 | 6 | 5 | 5 | 3 | 1 |
| 2013 | 38 | 1 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 6 | 3 |
| 2012 | 47 | 4 | 4 | 6 | 4 | 4 | 5 | 2 | 7 | 2 | 4 | 2 | 3 |
| 2011 | 105 | 10 | 11 | 9 | 11 | 6 | 12 | 12 | 8 | 10 | 4 | 7 | 5 |
| 2010 | 110 | 8 | 11 | 7 | 8 | 9 | 12 | 11 | 7 | 8 | 12 | 9 | 8 |
| 2009 | 72 | 5 | 9 | 7 | 4 | 8 | 9 | 7 | 5 | 6 | 5 | 3 | 4 |
| 2008 | 47 | 4 | 3 | 3 | 3 | 4 | 6 | 8 | 7 | 1 | 2 | 3 | 3 |
| 2007 | 49 | 3 | 4 | 3 | 1 | 1 | 3 | 6 | 7 | 5 | 6 | 5 | 5 |
| 2006 | 2 | 1 | 1 | ||||||||||
| 802 |
