| Value | Category | Cases | |
|---|---|---|---|
| 1979 | 2 |
0%
|
|
| 1980 | 10 |
0%
|
|
| 1981 | 6 |
0%
|
|
| 1982 | 12 |
0%
|
|
| 1983 | 17 |
0.1%
|
|
| 1984 | 21 |
0.1%
|
|
| 1985 | 38 |
0.1%
|
|
| 1986 | 59 |
0.2%
|
|
| 1987 | 66 |
0.3%
|
|
| 1988 | 133 |
0.5%
|
|
| 1989 | 161 |
0.6%
|
|
| 1990 | 350 |
1.3%
|
|
| 1991 | 348 |
1.3%
|
|
| 1992 | 289 |
1.1%
|
|
| 1993 | 307 |
1.2%
|
|
| 1994 | 432 |
1.6%
|
|
| 1995 | 480 |
1.8%
|
|
| 1996 | 574 |
2.2%
|
|
| 1997 | 482 |
1.8%
|
|
| 1998 | 669 |
2.5%
|
|
| 1999 | 759 |
2.9%
|
|
| 2000 | 1106 |
4.2%
|
|
| 2001 | 903 |
3.4%
|
|
| 2002 | 741 |
2.8%
|
|
| 2003 | 761 |
2.9%
|
|
| 2004 | 846 |
3.2%
|
|
| 2005 | 899 |
3.4%
|
|
| 2006 | 943 |
3.6%
|
|
| 2007 | 849 |
3.2%
|
|
| 2008 | 844 |
3.2%
|
|
| 2009 | 957 |
3.6%
|
|
| 2010 | 1052 |
4%
|
|
| 2011 | 994 |
3.8%
|
|
| 2012 | 987 |
3.8%
|
|
| 2013 | 1006 |
3.8%
|
|
| 2014 | 1041 |
4%
|
|
| 2015 | 1083 |
4.1%
|
|
| 2016 | 1061 |
4%
|
|
| 2017 | 987 |
3.8%
|
|
| 2018 | 1032 |
3.9%
|
|
| 2019 | 1027 |
3.9%
|
|
| 2020 | 807 |
3.1%
|
|
| 2021 | 443 |
1.7%
|
|
| 9998 | DK | 652 |
2.5%
|
| 9999 | NO RESPONSE | 12 |
0%
|
| Sysmiss | 14078 |