value | category | cases | |
---|---|---|---|
1969 | 5 |
0.1%
|
|
1973 | 19 |
0.5%
|
|
1974 | 18 |
0.5%
|
|
1975 | 37 |
1%
|
|
1976 | 4 |
0.1%
|
|
1977 | 50 |
1.3%
|
|
1978 | 29 |
0.8%
|
|
1979 | 65 |
1.7%
|
|
1980 | 68 |
1.8%
|
|
1981 | 50 |
1.3%
|
|
1982 | 75 |
2%
|
|
1983 | 89 |
2.4%
|
|
1984 | 148 |
4%
|
|
1985 | 157 |
4.2%
|
|
1986 | 128 |
3.4%
|
|
1987 | 138 |
3.7%
|
|
1988 | 241 |
6.4%
|
|
1989 | 180 |
4.8%
|
|
1990 | 197 |
5.3%
|
|
1991 | 223 |
6%
|
|
1992 | 197 |
5.3%
|
|
1993 | 300 |
8%
|
|
1994 | 272 |
7.3%
|
|
1995 | 321 |
8.6%
|
|
1996 | 391 |
10.4%
|
|
1997 | 340 |
9.1%
|
|
9997 | Inconsistent | 0 |
0%
|
9998 | Don't know | 0 |
0%
|
Sysmiss | 37778 |