| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2022 | 2 | 1 | 1 | ||||||||||
| 2021 | - | ||||||||||||
| 2020 | - | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 7 | 1 | 1 | 1 | 2 | 2 | |||||||
| 2017 | 15 | 1 | 1 | 1 | 3 | 1 | 3 | 4 | 1 | ||||
| 2016 | 24 | 1 | 2 | 2 | 3 | 2 | 3 | 2 | 3 | 5 | 1 | ||
| 2015 | 24 | 1 | 2 | 2 | 1 | 7 | 2 | 1 | 1 | 1 | 5 | 1 | |
| 2014 | 16 | 1 | 1 | 3 | 3 | 2 | 1 | 1 | 1 | 3 | |||
| 2013 | 12 | 2 | 2 | 2 | 1 | 3 | 2 | ||||||
| 2012 | 13 | 1 | 1 | 1 | 1 | 2 | 5 | 1 | 1 | ||||
| 2011 | 29 | 3 | 4 | 1 | 3 | 4 | 3 | 3 | 3 | 2 | 2 | 1 | |
| 2010 | 15 | 1 | 3 | 2 | 1 | 4 | 3 | 1 | |||||
| 2009 | 34 | 2 | 4 | 3 | 1 | 3 | 3 | 1 | 3 | 10 | 4 | ||
| 2008 | 10 | 1 | 1 | 1 | 4 | 3 | |||||||
| 2007 | 40 | 1 | 2 | 5 | 7 | 8 | 3 | 3 | 3 | 6 | 2 | ||
| 2006 | 15 | 2 | 1 | 3 | 2 | 2 | 1 | 1 | 3 | ||||
| 2005 | 26 | 1 | 1 | 4 | 2 | 5 | 1 | 4 | 2 | 3 | 3 | ||
| 2004 | 2 | 1 | 1 | ||||||||||
| 2003 | 4 | 1 | 2 | 1 | |||||||||
| 2002 | 57 | 3 | 9 | 10 | 10 | 9 | 1 | 3 | 6 | 5 | 1 | ||
| 2001 | 112 | 15 | 15 | 12 | 13 | 13 | 10 | 10 | 10 | 14 | |||
| 2000 | 128 | 17 | 14 | 10 | 11 | 11 | 12 | 12 | 15 | 12 | 14 | ||
| 1999 | 164 | 11 | 15 | 15 | 17 | 12 | 17 | 14 | 16 | 11 | 15 | 10 | 11 |
| 1998 | 102 | 7 | 17 | 16 | 16 | 21 | 17 | 8 | |||||
| 1997 | 59 | 5 | 4 | 1 | 3 | 7 | 8 | 7 | 11 | 10 | 3 | ||
| 1996 | 69 | 5 | 12 | 12 | 22 | 3 | 5 | 6 | 4 | ||||
| 1995 | 121 | 9 | 11 | 5 | 12 | 6 | 13 | 13 | 7 | 19 | 9 | 17 | |
| 1994 | 162 | 11 | 3 | 19 | 12 | 17 | 19 | 12 | 15 | 21 | 10 | 17 | 6 |
| 1993 | 125 | 4 | 4 | 5 | 16 | 18 | 20 | 13 | 17 | 13 | 15 | ||
| 1992 | 41 | 7 | 8 | 3 | 2 | 2 | 7 | 7 | 5 | ||||
| 1991 | 25 | 2 | 1 | 5 | 4 | 4 | 3 | 5 | 1 | ||||
| 1990 | 3 | 1 | 1 | 1 | |||||||||
| 1457 |
