| Value | Category | Cases | |
|---|---|---|---|
| 1969 | 22 |
0.1%
|
|
| 1970 | 286 |
1.3%
|
|
| 1971 | 190 |
0.8%
|
|
| 1972 | 207 |
0.9%
|
|
| 1973 | 194 |
0.9%
|
|
| 1974 | 528 |
2.3%
|
|
| 1975 | 266 |
1.2%
|
|
| 1976 | 213 |
0.9%
|
|
| 1977 | 275 |
1.2%
|
|
| 1978 | 236 |
1%
|
|
| 1979 | 842 |
3.7%
|
|
| 1980 | 428 |
1.9%
|
|
| 1981 | 347 |
1.5%
|
|
| 1982 | 452 |
2%
|
|
| 1983 | 380 |
1.7%
|
|
| 1984 | 998 |
4.4%
|
|
| 1985 | 516 |
2.3%
|
|
| 1986 | 374 |
1.6%
|
|
| 1987 | 586 |
2.6%
|
|
| 1988 | 437 |
1.9%
|
|
| 1989 | 1324 |
5.8%
|
|
| 1990 | 836 |
3.7%
|
|
| 1991 | 659 |
2.9%
|
|
| 1992 | 734 |
3.2%
|
|
| 1993 | 627 |
2.8%
|
|
| 1994 | 1262 |
5.5%
|
|
| 1995 | 659 |
2.9%
|
|
| 1996 | 643 |
2.8%
|
|
| 1997 | 890 |
3.9%
|
|
| 1998 | 581 |
2.5%
|
|
| 1999 | 1344 |
5.9%
|
|
| 2000 | 920 |
4%
|
|
| 2001 | 1144 |
5%
|
|
| 2002 | 939 |
4.1%
|
|
| 2003 | 1129 |
5%
|
|
| 2004 | 1087 |
4.8%
|
|
| 9998 | NSP | 13 |
0.1%
|
| Sysmiss | 229 |
1%
|