| Value | Category | Cases | |
|---|---|---|---|
| 1958 | 1 |
0.3%
|
|
| 1960 | 1 |
0.3%
|
|
| 1970 | 4 |
1.3%
|
|
| 1978 | 1 |
0.3%
|
|
| 1979 | 1 |
0.3%
|
|
| 1980 | 10 |
3.2%
|
|
| 1982 | 1 |
0.3%
|
|
| 1984 | 1 |
0.3%
|
|
| 1985 | 3 |
1%
|
|
| 1986 | 1 |
0.3%
|
|
| 1987 | 2 |
0.6%
|
|
| 1990 | 26 |
8.3%
|
|
| 1991 | 1 |
0.3%
|
|
| 1992 | 2 |
0.6%
|
|
| 1993 | 1 |
0.3%
|
|
| 1994 | 1 |
0.3%
|
|
| 1995 | 7 |
2.2%
|
|
| 1996 | 4 |
1.3%
|
|
| 1999 | 4 |
1.3%
|
|
| 2000 | 36 |
11.5%
|
|
| 2001 | 6 |
1.9%
|
|
| 2002 | 4 |
1.3%
|
|
| 2003 | 2 |
0.6%
|
|
| 2004 | 1 |
0.3%
|
|
| 2005 | 13 |
4.2%
|
|
| 2006 | 4 |
1.3%
|
|
| 2007 | 2 |
0.6%
|
|
| 2008 | 5 |
1.6%
|
|
| 2009 | 7 |
2.2%
|
|
| 2010 | 44 |
14.1%
|
|
| 2011 | 4 |
1.3%
|
|
| 2012 | 10 |
3.2%
|
|
| 2013 | 14 |
4.5%
|
|
| 2014 | 15 |
4.8%
|
|
| 2015 | 30 |
9.6%
|
|
| 2016 | 10 |
3.2%
|
|
| 2017 | 5 |
1.6%
|
|
| 2018 | 20 |
6.4%
|
|
| 2019 | 7 |
2.2%
|
|
| 2020 | 1 |
0.3%
|
|
| 99997 | Does not remember | 0 |
0%
|
| 99998 | Difficult to define | 0 |
0%
|
| Sysmiss | 2071 |