| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2022 | 25 | 4 | 4 | 8 | 1 | 2 | 6 | ||||||
| 2021 | 50 | 1 | 2 | 1 | 4 | 3 | 1 | 4 | 3 | 6 | 7 | 12 | 6 |
| 2020 | 23 | 6 | 4 | 3 | 1 | 4 | 3 | 2 | |||||
| 2019 | 102 | 9 | 11 | 13 | 5 | 8 | 12 | 10 | 6 | 9 | 8 | 11 | |
| 2018 | 137 | 12 | 11 | 16 | 9 | 10 | 15 | 9 | 12 | 11 | 9 | 12 | 11 |
| 2017 | 120 | 7 | 7 | 6 | 8 | 9 | 11 | 7 | 8 | 13 | 15 | 18 | 11 |
| 2016 | 73 | 10 | 7 | 2 | 8 | 7 | 7 | 4 | 11 | 7 | 10 | ||
| 2015 | 53 | 8 | 6 | 6 | 5 | 5 | 9 | 2 | 3 | 6 | 2 | 1 | |
| 2014 | 60 | 10 | 9 | 5 | 12 | 2 | 5 | 7 | 8 | 2 | |||
| 2013 | 100 | 13 | 9 | 13 | 6 | 6 | 12 | 6 | 11 | 8 | 2 | 6 | 8 |
| 2012 | 112 | 14 | 17 | 11 | 8 | 9 | 7 | 12 | 5 | 7 | 8 | 9 | 5 |
| 2011 | 102 | 14 | 11 | 8 | 10 | 7 | 5 | 8 | 8 | 12 | 9 | 4 | 6 |
| 2010 | 102 | 14 | 7 | 10 | 8 | 12 | 6 | 10 | 4 | 6 | 12 | 9 | 4 |
| 2009 | 114 | 10 | 10 | 8 | 7 | 12 | 13 | 11 | 8 | 10 | 9 | 10 | 6 |
| 2008 | 105 | 13 | 3 | 10 | 6 | 7 | 14 | 7 | 9 | 10 | 11 | 7 | 8 |
| 2007 | 70 | 4 | 4 | 3 | 6 | 4 | 8 | 5 | 8 | 6 | 8 | 3 | 11 |
| 2006 | 64 | 8 | 5 | 8 | 4 | 8 | 5 | 3 | 5 | 2 | 5 | 5 | 6 |
| 2005 | 43 | 3 | 3 | 1 | 3 | 2 | 5 | 4 | 5 | 4 | 7 | 3 | 3 |
| 2004 | 58 | 2 | 1 | 6 | 9 | 9 | 7 | 8 | 6 | 6 | 4 | ||
| 2003 | 27 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 1 | 7 | 3 | ||
| 2002 | 40 | 1 | 3 | 3 | 10 | 19 | 1 | 2 | 1 | ||||
| 2001 | 54 | 2 | 6 | 4 | 8 | 2 | 12 | 13 | 6 | 1 | |||
| 2000 | 10 | 1 | 7 | 2 | |||||||||
| 1999 | 3 | 1 | 2 | ||||||||||
| 1998 | 3 | 2 | 1 | ||||||||||
| 1650 |