| Value | Category | Cases | |
|---|---|---|---|
| 98 | don't know | 0 |
0%
|
| 1963 | 18 |
0.4%
|
|
| 1964 | 50 |
1.2%
|
|
| 1965 | 29 |
0.7%
|
|
| 1966 | 22 |
0.5%
|
|
| 1967 | 24 |
0.6%
|
|
| 1968 | 28 |
0.7%
|
|
| 1969 | 42 |
1%
|
|
| 1970 | 42 |
1%
|
|
| 1971 | 29 |
0.7%
|
|
| 1972 | 69 |
1.6%
|
|
| 1973 | 45 |
1.1%
|
|
| 1974 | 79 |
1.9%
|
|
| 1975 | 75 |
1.8%
|
|
| 1976 | 76 |
1.8%
|
|
| 1977 | 77 |
1.8%
|
|
| 1978 | 88 |
2.1%
|
|
| 1979 | 76 |
1.8%
|
|
| 1980 | 160 |
3.8%
|
|
| 1981 | 74 |
1.7%
|
|
| 1982 | 183 |
4.3%
|
|
| 1983 | 142 |
3.4%
|
|
| 1984 | 204 |
4.8%
|
|
| 1985 | 193 |
4.6%
|
|
| 1986 | 252 |
6%
|
|
| 1987 | 258 |
6.1%
|
|
| 1988 | 209 |
4.9%
|
|
| 1989 | 233 |
5.5%
|
|
| 1990 | 195 |
4.6%
|
|
| 1991 | 164 |
3.9%
|
|
| 1992 | 229 |
5.4%
|
|
| 1993 | 157 |
3.7%
|
|
| 1994 | 130 |
3.1%
|
|
| 1995 | 89 |
2.1%
|
|
| 1996 | 86 |
2%
|
|
| 1997 | 82 |
1.9%
|
|
| 1998 | 102 |
2.4%
|
|
| 1999 | 110 |
2.6%
|
|
| 2000 | 112 |
2.6%
|
|
| 9998 | don't know | 0 |
0%
|
| 9999 | not applicable | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|