| Value | Category | Cases | |
|---|---|---|---|
| 20 | 1 |
0%
|
|
| 1984 | 1 |
0%
|
|
| 1985 | 2 |
0%
|
|
| 1986 | 3 |
0%
|
|
| 1987 | 6 |
0.1%
|
|
| 1988 | 12 |
0.2%
|
|
| 1989 | 26 |
0.4%
|
|
| 1990 | 38 |
0.6%
|
|
| 1991 | 46 |
0.7%
|
|
| 1992 | 45 |
0.7%
|
|
| 1993 | 71 |
1%
|
|
| 1994 | 76 |
1.1%
|
|
| 1995 | 102 |
1.5%
|
|
| 1996 | 130 |
1.9%
|
|
| 1997 | 200 |
2.9%
|
|
| 1998 | 215 |
3.2%
|
|
| 1999 | 227 |
3.3%
|
|
| 2000 | 302 |
4.4%
|
|
| 2001 | 308 |
4.5%
|
|
| 2002 | 361 |
5.3%
|
|
| 2003 | 389 |
5.7%
|
|
| 2004 | 378 |
5.5%
|
|
| 2005 | 433 |
6.3%
|
|
| 2006 | 422 |
6.2%
|
|
| 2007 | 420 |
6.2%
|
|
| 2008 | 447 |
6.6%
|
|
| 2009 | 512 |
7.5%
|
|
| 2010 | 403 |
5.9%
|
|
| 2011 | 458 |
6.7%
|
|
| 2012 | 460 |
6.7%
|
|
| 2013 | 303 |
4.4%
|
|
| 2014 | 21 |
0.3%
|
|
| 9998 | DK | 1 |
0%
|
| Sysmiss | 4097 |