| Value | Category | Cases | |
|---|---|---|---|
| 1968 | 1968 | 0 |
0%
|
| 1972 | 1972 | 0 |
0%
|
| 1973 | 1973 | 0 |
0%
|
| 1974 | 1974 | 0 |
0%
|
| 1975 | 1975 | 0 |
0%
|
| 1977 | 1977 | 0 |
0%
|
| 1978 | 1978 | 0 |
0%
|
| 1979 | 1979 | 0 |
0%
|
| 1980 | 1980 | 1 |
0.3%
|
| 1981 | 1981 | 3 |
1%
|
| 1982 | 1982 | 2 |
0.7%
|
| 1983 | 1983 | 1 |
0.3%
|
| 1984 | 1984 | 0 |
0%
|
| 1985 | 1985 | 0 |
0%
|
| 1986 | 1986 | 0 |
0%
|
| 1987 | 1987 | 1 |
0.3%
|
| 1988 | 1988 | 0 |
0%
|
| 1989 | 1989 | 0 |
0%
|
| 1990 | 1990 | 4 |
1.3%
|
| 1991 | 1991 | 0 |
0%
|
| 1992 | 1992 | 2 |
0.7%
|
| 1993 | 1993 | 0 |
0%
|
| 1994 | 1994 | 4 |
1.3%
|
| 1995 | 1995 | 1 |
0.3%
|
| 1996 | 1996 | 2 |
0.7%
|
| 1997 | 1997 | 3 |
1%
|
| 1998 | 1998 | 1 |
0.3%
|
| 1999 | 1999 | 3 |
1%
|
| 2000 | 2000 | 3 |
1%
|
| 2001 | 2001 | 3 |
1%
|
| 2002 | 2002 | 6 |
2%
|
| 2003 | 2003 | 3 |
1%
|
| 2004 | 2004 | 3 |
1%
|
| 2005 | 2005 | 8 |
2.6%
|
| 2006 | 2006 | 10 |
3.3%
|
| 2007 | 2007 | 10 |
3.3%
|
| 2008 | 2008 | 3 |
1%
|
| 2009 | 2009 | 9 |
3%
|
| 2010 | 2010 | 9 |
3%
|
| 2011 | 2011 | 9 |
3%
|
| 2012 | 2012 | 11 |
3.6%
|
| 2013 | 2013 | 9 |
3%
|
| 2014 | 2014 | 12 |
4%
|
| 2015 | 2015 | 13 |
4.3%
|
| 2016 | 2016 | 17 |
5.6%
|
| 2017 | 2017 | 24 |
7.9%
|
| 2018 | 2018 | 22 |
7.3%
|
| 2019 | 2019 | 25 |
8.3%
|
| 2020 | 2020 | 25 |
8.3%
|
| 2021 | 2021 | 40 |
13.2%
|
| Sysmiss | 697 |