| Value | Category | Cases | |
|---|---|---|---|
| 1980 | 3 |
0%
|
|
| 1981 | 2 |
0%
|
|
| 1982 | 7 |
0%
|
|
| 1983 | 7 |
0%
|
|
| 1984 | 18 |
0.1%
|
|
| 1985 | 42 |
0.2%
|
|
| 1986 | 52 |
0.3%
|
|
| 1987 | 70 |
0.4%
|
|
| 1988 | 125 |
0.7%
|
|
| 1989 | 191 |
1%
|
|
| 1990 | 265 |
1.4%
|
|
| 1991 | 290 |
1.6%
|
|
| 1992 | 272 |
1.5%
|
|
| 1993 | 352 |
1.9%
|
|
| 1994 | 415 |
2.2%
|
|
| 1995 | 466 |
2.5%
|
|
| 1996 | 401 |
2.2%
|
|
| 1997 | 430 |
2.3%
|
|
| 1998 | 438 |
2.4%
|
|
| 1999 | 495 |
2.7%
|
|
| 2000 | 559 |
3%
|
|
| 2001 | 564 |
3%
|
|
| 2002 | 588 |
3.2%
|
|
| 2003 | 593 |
3.2%
|
|
| 2004 | 792 |
4.3%
|
|
| 2005 | 947 |
5.1%
|
|
| 2006 | 934 |
5%
|
|
| 2007 | 867 |
4.7%
|
|
| 2008 | 875 |
4.7%
|
|
| 2009 | 863 |
4.6%
|
|
| 2010 | 914 |
4.9%
|
|
| 2011 | 872 |
4.7%
|
|
| 2012 | 772 |
4.2%
|
|
| 2013 | 750 |
4%
|
|
| 2014 | 828 |
4.5%
|
|
| 2015 | 768 |
4.1%
|
|
| 2016 | 746 |
4%
|
|
| 2017 | 775 |
4.2%
|
|
| 2018 | 215 |
1.2%
|
|
| 9999 | NO RESPONSE | 5 |
0%
|
| Sysmiss | 12492 |