| Value | Category | Cases | |
|---|---|---|---|
| 1985 | 1 |
0%
|
|
| 1986 | 2 |
0.1%
|
|
| 1987 | 1 |
0%
|
|
| 1988 | 1 |
0%
|
|
| 1989 | 5 |
0.2%
|
|
| 1990 | 10 |
0.4%
|
|
| 1991 | 9 |
0.4%
|
|
| 1992 | 21 |
0.9%
|
|
| 1993 | 14 |
0.6%
|
|
| 1994 | 25 |
1%
|
|
| 1995 | 31 |
1.3%
|
|
| 1996 | 39 |
1.6%
|
|
| 1997 | 65 |
2.6%
|
|
| 1998 | 64 |
2.6%
|
|
| 1999 | 83 |
3.4%
|
|
| 2000 | 105 |
4.3%
|
|
| 2001 | 154 |
6.3%
|
|
| 2002 | 174 |
7.1%
|
|
| 2003 | 196 |
8%
|
|
| 2004 | 191 |
7.8%
|
|
| 2005 | 230 |
9.4%
|
|
| 2006 | 255 |
10.4%
|
|
| 2007 | 279 |
11.4%
|
|
| 2008 | 421 |
17.1%
|
|
| 2009 | 82 |
3.3%
|
|
| 9997 | na | 0 |
0%
|
| 9998 | dk | 0 |
0%
|
| 9999 | missing | 0 |
0%
|
| Sysmiss | 48850 |