| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2025 | 1 | 1 | |||||||||||
| 2024 | 13 | 2 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 1 | |||
| 2023 | 10 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | ||||
| 2022 | 6 | 1 | 2 | 1 | 2 | ||||||||
| 2021 | 8 | 1 | 3 | 3 | 1 | ||||||||
| 2020 | 3 | 2 | 1 | ||||||||||
| 2019 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | ||||||
| 2018 | 11 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 1 | ||||
| 2017 | 12 | 1 | 1 | 1 | 3 | 2 | 3 | 1 | |||||
| 2016 | 15 | 3 | 3 | 3 | 1 | 2 | 1 | 2 | |||||
| 2015 | 15 | 1 | 3 | 1 | 1 | 1 | 4 | 3 | 1 | ||||
| 2014 | 11 | 1 | 2 | 3 | 1 | 2 | 1 | 1 | |||||
| 2013 | 10 | 3 | 2 | 3 | 1 | 1 | |||||||
| 2012 | 13 | 1 | 3 | 2 | 2 | 1 | 3 | 1 | |||||
| 2011 | 3 | 1 | 1 | 1 | |||||||||
| 2010 | 6 | 1 | 1 | 3 | 1 | ||||||||
| 2009 | 9 | 1 | 2 | 1 | 2 | 2 | 1 | ||||||
| 2008 | 10 | 4 | 1 | 1 | 1 | 1 | 2 | ||||||
| 2007 | 14 | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 2 | 2 | ||
| 2006 | 17 | 1 | 1 | 2 | 4 | 1 | 2 | 1 | 3 | 1 | 1 | ||
| 2005 | 15 | 1 | 2 | 1 | 3 | 3 | 1 | 1 | 3 | ||||
| 2004 | 24 | 8 | 2 | 5 | 3 | 4 | 2 | ||||||
| 2003 | 7 | 2 | 1 | 1 | 1 | 1 | 1 | ||||||
| 2002 | 6 | 1 | 2 | 1 | 1 | 1 | |||||||
| 2001 | 9 | 5 | 3 | 1 | |||||||||
| 2000 | 22 | 5 | 2 | 6 | 3 | 1 | 1 | 4 | |||||
| 1999 | 53 | 7 | 6 | 6 | 3 | 1 | 4 | 3 | 7 | 7 | 5 | 4 | |
| 1998 | 55 | 5 | 2 | 4 | 12 | 8 | 9 | 3 | 3 | 4 | 4 | 1 | |
| 1997 | 73 | 7 | 11 | 11 | 6 | 3 | 1 | 3 | 6 | 6 | 4 | 11 | 4 |
| 1996 | 74 | 2 | 2 | 5 | 1 | 7 | 5 | 6 | 6 | 10 | 13 | 10 | 7 |
| 1995 | 61 | 7 | 10 | 7 | 3 | 8 | 14 | 2 | 1 | 1 | 6 | 2 | |
| 1994 | 52 | 2 | 14 | 7 | 3 | 4 | 4 | 9 | 4 | 5 | |||
| 1993 | 78 | 18 | 2 | 7 | 8 | 4 | 4 | 2 | 3 | 21 | 5 | 4 | |
| 1992 | 126 | 3 | 3 | 1 | 8 | 7 | 21 | 27 | 22 | 23 | 11 | ||
| 1991 | 167 | 17 | 21 | 13 | 17 | 18 | 16 | 13 | 12 | 7 | 12 | 14 | 7 |
| 1990 | 174 | 20 | 12 | 15 | 11 | 11 | 17 | 13 | 14 | 14 | 19 | 16 | 12 |
| 1989 | 120 | 11 | 13 | 9 | 6 | 9 | 15 | 9 | 9 | 6 | 13 | 12 | 8 |
| 1988 | 169 | 14 | 19 | 16 | 16 | 12 | 14 | 16 | 16 | 8 | 13 | 10 | 15 |
| 1987 | 165 | 23 | 6 | 21 | 14 | 17 | 11 | 17 | 15 | 6 | 18 | 11 | 6 |
| 1986 | 148 | 25 | 14 | 13 | 12 | 14 | 13 | 10 | 8 | 6 | 18 | 8 | 7 |
| 1985 | 208 | 14 | 15 | 14 | 25 | 14 | 21 | 19 | 15 | 14 | 17 | 18 | 22 |
| 1984 | 62 | 4 | 10 | 9 | 7 | 16 | 10 | 1 | 1 | 4 | |||
| 1983 | 46 | 5 | 3 | 4 | 4 | 3 | 3 | 4 | 1 | 7 | 12 | ||
| 1982 | - | ||||||||||||
| 1981 | 2 | 2 | |||||||||||
| 2109 |
