| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2020 | 7 | 2 | 3 | 2 | |||||||||
| 2019 | 28 | 3 | 2 | 1 | 4 | 2 | 2 | 1 | 2 | 2 | 4 | 3 | 2 |
| 2018 | 158 | 11 | 23 | 14 | 15 | 7 | 10 | 18 | 15 | 13 | 8 | 11 | 13 |
| 2017 | 176 | 9 | 12 | 18 | 12 | 13 | 13 | 17 | 28 | 13 | 16 | 11 | 14 |
| 2016 | 179 | 14 | 22 | 15 | 14 | 13 | 14 | 17 | 15 | 12 | 18 | 16 | 9 |
| 2015 | 218 | 9 | 15 | 17 | 15 | 28 | 13 | 27 | 36 | 18 | 19 | 14 | 7 |
| 2014 | 163 | 3 | 12 | 17 | 19 | 14 | 14 | 12 | 13 | 15 | 20 | 17 | 7 |
| 2013 | 128 | 4 | 10 | 11 | 5 | 12 | 11 | 13 | 7 | 7 | 20 | 17 | 11 |
| 2012 | 70 | 2 | 9 | 10 | 6 | 5 | 4 | 3 | 2 | 9 | 8 | 7 | 5 |
| 2011 | 75 | 3 | 11 | 9 | 5 | 9 | 8 | 2 | 4 | 5 | 10 | 5 | 4 |
| 2010 | 96 | 5 | 11 | 14 | 9 | 8 | 6 | 8 | 8 | 7 | 11 | 6 | 3 |
| 2009 | 53 | 7 | 9 | 10 | 10 | 3 | 1 | 9 | 4 | ||||
| 2008 | 108 | 5 | 12 | 12 | 10 | 12 | 9 | 10 | 15 | 9 | 8 | 6 | |
| 2007 | 95 | 7 | 10 | 8 | 6 | 6 | 7 | 10 | 7 | 9 | 6 | 11 | 8 |
| 2006 | 74 | 1 | 7 | 10 | 3 | 9 | 4 | 7 | 9 | 7 | 6 | 8 | 3 |
| 2005 | 18 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | |||||
| 2004 | 6 | 1 | 1 | 1 | 2 | 1 | |||||||
| 2003 | 11 | 1 | 2 | 1 | 1 | 3 | 1 | 1 | 1 | ||||
| 2002 | 8 | 4 | 1 | 1 | 2 | ||||||||
| 1671 |
