| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2020 | 16 | 1 | 3 | 2 | 3 | 5 | 2 | ||||||
| 2019 | 62 | 12 | 2 | 12 | 6 | 3 | 3 | 2 | 4 | 4 | 4 | 6 | 4 |
| 2018 | 113 | 5 | 10 | 13 | 14 | 9 | 11 | 8 | 14 | 8 | 6 | 7 | 8 |
| 2017 | 120 | 4 | 11 | 12 | 11 | 8 | 10 | 10 | 9 | 10 | 12 | 9 | 14 |
| 2016 | 30 | 10 | 2 | 1 | 1 | 1 | 10 | 5 | |||||
| 2015 | 87 | 4 | 8 | 7 | 11 | 13 | 6 | 4 | 4 | 9 | 10 | 4 | 7 |
| 2014 | 60 | 1 | 3 | 4 | 4 | 4 | 6 | 7 | 6 | 3 | 10 | 9 | 3 |
| 2013 | 39 | 3 | 2 | 3 | 2 | 7 | 3 | 5 | 2 | 4 | 5 | 3 | |
| 2012 | 41 | 3 | 3 | 3 | 3 | 3 | 4 | 2 | 7 | 4 | 2 | 5 | 2 |
| 2011 | 26 | 1 | 2 | 1 | 6 | 2 | 3 | 7 | 3 | 1 | |||
| 2010 | 21 | 1 | 1 | 1 | 2 | 1 | 1 | 4 | 3 | 2 | 2 | 1 | 2 |
| 2009 | 19 | 1 | 3 | 2 | 1 | 1 | 4 | 3 | 2 | 2 | |||
| 2008 | 5 | 2 | 2 | 1 | |||||||||
| 2007 | 21 | 2 | 1 | 2 | 1 | 1 | 3 | 2 | 2 | 4 | 3 | ||
| 2006 | 11 | 1 | 1 | 3 | 2 | 1 | 2 | 1 | |||||
| 2005 | 4 | 1 | 1 | 1 | 1 | ||||||||
| 675 |
