| Value | Category | Cases | |
|---|---|---|---|
| 1977 | 3 |
0%
|
|
| 1979 | 13 |
0.1%
|
|
| 1980 | 25 |
0.2%
|
|
| 1981 | 21 |
0.2%
|
|
| 1982 | 35 |
0.3%
|
|
| 1983 | 74 |
0.6%
|
|
| 1984 | 106 |
0.8%
|
|
| 1985 | 131 |
1%
|
|
| 1986 | 154 |
1.2%
|
|
| 1987 | 143 |
1.1%
|
|
| 1988 | 226 |
1.8%
|
|
| 1989 | 283 |
2.2%
|
|
| 1990 | 266 |
2.1%
|
|
| 1991 | 316 |
2.5%
|
|
| 1992 | 438 |
3.5%
|
|
| 1993 | 492 |
3.9%
|
|
| 1994 | 451 |
3.6%
|
|
| 1995 | 477 |
3.8%
|
|
| 1996 | 358 |
2.8%
|
|
| 1997 | 596 |
4.7%
|
|
| 1998 | 610 |
4.8%
|
|
| 1999 | 561 |
4.4%
|
|
| 2000 | 731 |
5.8%
|
|
| 2001 | 534 |
4.2%
|
|
| 2002 | 592 |
4.7%
|
|
| 2003 | 681 |
5.4%
|
|
| 2004 | 645 |
5.1%
|
|
| 2005 | 779 |
6.2%
|
|
| 2006 | 651 |
5.2%
|
|
| 2007 | 728 |
5.8%
|
|
| 2008 | 731 |
5.8%
|
|
| 2009 | 662 |
5.2%
|
|
| 2010 | 103 |
0.8%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 49977 |