| Value | Category | Cases | |
|---|---|---|---|
| 1984 | 2 |
0.1%
|
|
| 1985 | 41 |
1.7%
|
|
| 1986 | 92 |
3.7%
|
|
| 1987 | 92 |
3.7%
|
|
| 1988 | 123 |
5%
|
|
| 1989 | 132 |
5.4%
|
|
| 1990 | 139 |
5.7%
|
|
| 1991 | 131 |
5.3%
|
|
| 1992 | 130 |
5.3%
|
|
| 1993 | 97 |
3.9%
|
|
| 1994 | 76 |
3.1%
|
|
| 1995 | 83 |
3.4%
|
|
| 1996 | 78 |
3.2%
|
|
| 1997 | 63 |
2.6%
|
|
| 1998 | 74 |
3%
|
|
| 1999 | 72 |
2.9%
|
|
| 2000 | 76 |
3.1%
|
|
| 2001 | 70 |
2.8%
|
|
| 2002 | 93 |
3.8%
|
|
| 2003 | 85 |
3.5%
|
|
| 2004 | 96 |
3.9%
|
|
| 2005 | 111 |
4.5%
|
|
| 2006 | 110 |
4.5%
|
|
| 2007 | 217 |
8.8%
|
|
| 2008 | 136 |
5.5%
|
|
| 2009 | 37 |
1.5%
|
|
| 9997 | na | 0 |
0%
|
| 9998 | dk | 2 |
0.1%
|
| 9999 | missing | 0 |
0%
|
| Sysmiss | 48850 |