| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2021 | 2 | 1 | 1 | ||||||||||
| 2020 | - | ||||||||||||
| 2019 | 10 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | |||
| 2018 | 9 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | |||||
| 2017 | 17 | 1 | 1 | 2 | 2 | 3 | 1 | 3 | 2 | 1 | 1 | ||
| 2016 | 21 | 1 | 1 | 1 | 3 | 5 | 3 | 1 | 3 | 3 | |||
| 2015 | 11 | 2 | 2 | 2 | 1 | 2 | 1 | 1 | |||||
| 2014 | 15 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | 3 | 2 | |||
| 2013 | 28 | 1 | 1 | 3 | 4 | 3 | 3 | 2 | 2 | 2 | 6 | 1 | |
| 2012 | 22 | 1 | 2 | 2 | 1 | 4 | 1 | 3 | 1 | 4 | 3 | ||
| 2011 | 8 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | |||||
| 2010 | 32 | 4 | 3 | 1 | 1 | 1 | 2 | 5 | 6 | 8 | 1 | ||
| 2009 | 31 | 2 | 2 | 2 | 4 | 3 | 1 | 3 | 1 | 3 | 1 | 5 | 4 |
| 2008 | 21 | 3 | 4 | 2 | 1 | 5 | 2 | 1 | 3 | ||||
| 2007 | 35 | 1 | 1 | 3 | 1 | 7 | 7 | 7 | 5 | 1 | 2 | ||
| 2006 | 38 | 1 | 3 | 6 | 8 | 11 | 5 | 3 | 1 | ||||
| 2005 | 31 | 3 | 2 | 1 | 10 | 4 | 7 | 3 | 1 | ||||
| 2004 | 77 | 8 | 8 | 8 | 4 | 8 | 2 | 14 | 6 | 4 | 7 | 7 | 1 |
| 2003 | 120 | 16 | 13 | 12 | 5 | 8 | 5 | 11 | 13 | 9 | 14 | 8 | 6 |
| 2002 | 130 | 6 | 5 | 2 | 11 | 12 | 14 | 16 | 15 | 15 | 15 | 12 | 7 |
| 2001 | 50 | 5 | 6 | 2 | 6 | 1 | 6 | 1 | 1 | 9 | 11 | 2 | |
| 2000 | 37 | 1 | 3 | 7 | 5 | 5 | 1 | 2 | 4 | 3 | 4 | 2 | |
| 1999 | 53 | 3 | 5 | 4 | 5 | 9 | 2 | 1 | 11 | 3 | 9 | 1 | |
| 1998 | 26 | 2 | 1 | 1 | 2 | 5 | 5 | 6 | 4 | ||||
| 1997 | 57 | 6 | 5 | 7 | 11 | 15 | 4 | 3 | 2 | 1 | 3 | ||
| 1996 | 55 | 2 | 5 | 3 | 2 | 4 | 6 | 2 | 6 | 3 | 8 | 6 | 8 |
| 1995 | 55 | 3 | 3 | 2 | 3 | 6 | 1 | 9 | 5 | 5 | 7 | 6 | 5 |
| 1994 | 28 | 2 | 1 | 6 | 2 | 3 | 4 | 3 | 7 | ||||
| 1993 | - | ||||||||||||
| 1992 | 4 | 1 | 2 | 1 | |||||||||
| 1023 |
