| Value | Category | Cases | |
|---|---|---|---|
| 1977 | 15 |
0.3%
|
|
| 1983 | 12 |
0.2%
|
|
| 1984 | 38 |
0.7%
|
|
| 1985 | 28 |
0.5%
|
|
| 1986 | 54 |
1%
|
|
| 1987 | 45 |
0.8%
|
|
| 1988 | 39 |
0.7%
|
|
| 1989 | 66 |
1.2%
|
|
| 1990 | 107 |
1.9%
|
|
| 1991 | 83 |
1.5%
|
|
| 1992 | 88 |
1.6%
|
|
| 1993 | 143 |
2.6%
|
|
| 1994 | 162 |
2.9%
|
|
| 1995 | 164 |
3%
|
|
| 1996 | 199 |
3.6%
|
|
| 1997 | 236 |
4.2%
|
|
| 1998 | 203 |
3.7%
|
|
| 1999 | 209 |
3.8%
|
|
| 2000 | 285 |
5.1%
|
|
| 2001 | 276 |
5%
|
|
| 2002 | 299 |
5.4%
|
|
| 2003 | 350 |
6.3%
|
|
| 2004 | 361 |
6.5%
|
|
| 2005 | 346 |
6.2%
|
|
| 2006 | 444 |
8%
|
|
| 2007 | 409 |
7.4%
|
|
| 2008 | 440 |
7.9%
|
|
| 2009 | 457 |
8.2%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 31611 |