| Value | Category | Cases | |
|---|---|---|---|
| 1985 | 2 |
0.1%
|
|
| 1986 | 2 |
0.1%
|
|
| 1987 | 4 |
0.1%
|
|
| 1988 | 3 |
0.1%
|
|
| 1989 | 4 |
0.1%
|
|
| 1990 | 3 |
0.1%
|
|
| 1991 | 8 |
0.2%
|
|
| 1992 | 14 |
0.4%
|
|
| 1993 | 15 |
0.4%
|
|
| 1994 | 19 |
0.5%
|
|
| 1995 | 30 |
0.8%
|
|
| 1996 | 35 |
0.9%
|
|
| 1997 | 43 |
1.1%
|
|
| 1998 | 62 |
1.6%
|
|
| 1999 | 47 |
1.2%
|
|
| 2000 | 94 |
2.5%
|
|
| 2001 | 82 |
2.2%
|
|
| 2002 | 120 |
3.2%
|
|
| 2003 | 98 |
2.6%
|
|
| 2004 | 113 |
3%
|
|
| 2005 | 159 |
4.2%
|
|
| 2006 | 179 |
4.7%
|
|
| 2007 | 182 |
4.8%
|
|
| 2008 | 236 |
6.2%
|
|
| 2009 | 252 |
6.7%
|
|
| 2010 | 276 |
7.3%
|
|
| 2011 | 278 |
7.3%
|
|
| 2012 | 287 |
7.6%
|
|
| 2013 | 327 |
8.6%
|
|
| 2014 | 438 |
11.6%
|
|
| 2015 | 317 |
8.4%
|
|
| 2016 | 19 |
0.5%
|
|
| 9998 | don't know | 41 |
1.1%
|
| Sysmiss | 7970 |