| Value | Category | Cases | |
|---|---|---|---|
| 1966 | 1 |
0%
|
|
| 1971 | 41 |
0.1%
|
|
| 1972 | 485 |
1.2%
|
|
| 1973 | 631 |
1.6%
|
|
| 1974 | 535 |
1.4%
|
|
| 1975 | 593 |
1.5%
|
|
| 1976 | 1148 |
3%
|
|
| 1977 | 415 |
1.1%
|
|
| 1978 | 630 |
1.6%
|
|
| 1979 | 746 |
1.9%
|
|
| 1980 | 817 |
2.1%
|
|
| 1981 | 1405 |
3.6%
|
|
| 1982 | 724 |
1.9%
|
|
| 1983 | 849 |
2.2%
|
|
| 1984 | 805 |
2.1%
|
|
| 1985 | 860 |
2.2%
|
|
| 1986 | 1691 |
4.4%
|
|
| 1987 | 650 |
1.7%
|
|
| 1988 | 794 |
2%
|
|
| 1989 | 997 |
2.6%
|
|
| 1990 | 862 |
2.2%
|
|
| 1991 | 1852 |
4.8%
|
|
| 1992 | 896 |
2.3%
|
|
| 1993 | 1213 |
3.1%
|
|
| 1994 | 994 |
2.6%
|
|
| 1995 | 1014 |
2.6%
|
|
| 1996 | 2010 |
5.2%
|
|
| 1997 | 848 |
2.2%
|
|
| 1998 | 1046 |
2.7%
|
|
| 1999 | 1325 |
3.4%
|
|
| 2000 | 1340 |
3.5%
|
|
| 2001 | 1958 |
5%
|
|
| 2002 | 1294 |
3.3%
|
|
| 2003 | 1994 |
5.1%
|
|
| 2004 | 1578 |
4.1%
|
|
| 2005 | 1776 |
4.6%
|
|
| 2006 | 1953 |
5%
|
|
| 9998 | DK | 43 |
0.1%
|
| 9999 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 1513 |