| Value | Category | Cases | |
|---|---|---|---|
| 1968 | 28 |
0.1%
|
|
| 1969 | 196 |
1%
|
|
| 1970 | 263 |
1.4%
|
|
| 1971 | 200 |
1.1%
|
|
| 1972 | 305 |
1.6%
|
|
| 1973 | 309 |
1.6%
|
|
| 1974 | 268 |
1.4%
|
|
| 1975 | 327 |
1.7%
|
|
| 1976 | 329 |
1.7%
|
|
| 1977 | 312 |
1.7%
|
|
| 1978 | 500 |
2.7%
|
|
| 1979 | 349 |
1.9%
|
|
| 1980 | 465 |
2.5%
|
|
| 1981 | 321 |
1.7%
|
|
| 1982 | 371 |
2%
|
|
| 1983 | 474 |
2.5%
|
|
| 1984 | 359 |
1.9%
|
|
| 1985 | 382 |
2%
|
|
| 1986 | 452 |
2.4%
|
|
| 1987 | 379 |
2%
|
|
| 1988 | 565 |
3%
|
|
| 1989 | 400 |
2.1%
|
|
| 1990 | 642 |
3.4%
|
|
| 1991 | 458 |
2.4%
|
|
| 1992 | 574 |
3.1%
|
|
| 1993 | 647 |
3.4%
|
|
| 1994 | 544 |
2.9%
|
|
| 1995 | 580 |
3.1%
|
|
| 1996 | 580 |
3.1%
|
|
| 1997 | 584 |
3.1%
|
|
| 1998 | 897 |
4.8%
|
|
| 1999 | 768 |
4.1%
|
|
| 2000 | 1059 |
5.6%
|
|
| 2001 | 682 |
3.6%
|
|
| 2002 | 811 |
4.3%
|
|
| 2003 | 672 |
3.6%
|
|
| 9998 | NSP | 106 |
0.6%
|
| 9999 | NON REPONSE | 5 |
0%
|
| Sysmiss | 1649 |
8.8%
|