Value | Category | Cases | |
---|---|---|---|
1951 | 1 |
0.1%
|
|
1953 | 4 |
0.6%
|
|
1954 | 1 |
0.1%
|
|
1955 | 1 |
0.1%
|
|
1957 | 3 |
0.4%
|
|
1958 | 1 |
0.1%
|
|
1959 | 2 |
0.3%
|
|
1961 | 1 |
0.1%
|
|
1962 | 2 |
0.3%
|
|
1964 | 2 |
0.3%
|
|
1965 | 1 |
0.1%
|
|
1966 | 3 |
0.4%
|
|
1967 | 4 |
0.6%
|
|
1968 | 4 |
0.6%
|
|
1969 | 5 |
0.7%
|
|
1970 | 10 |
1.5%
|
|
1971 | 3 |
0.4%
|
|
1972 | 12 |
1.8%
|
|
1973 | 4 |
0.6%
|
|
1974 | 8 |
1.2%
|
|
1975 | 8 |
1.2%
|
|
1976 | 18 |
2.7%
|
|
1977 | 7 |
1%
|
|
1978 | 18 |
2.7%
|
|
1979 | 13 |
1.9%
|
|
1980 | 29 |
4.3%
|
|
1981 | 6 |
0.9%
|
|
1982 | 13 |
1.9%
|
|
1983 | 14 |
2.1%
|
|
1984 | 20 |
3%
|
|
1985 | 15 |
2.2%
|
|
1986 | 17 |
2.5%
|
|
1987 | 10 |
1.5%
|
|
1988 | 13 |
1.9%
|
|
1989 | 9 |
1.3%
|
|
1990 | 8 |
1.2%
|
|
1991 | 8 |
1.2%
|
|
1992 | 10 |
1.5%
|
|
1993 | 6 |
0.9%
|
|
1994 | 6 |
0.9%
|
|
1995 | 6 |
0.9%
|
|
1996 | 4 |
0.6%
|
|
1997 | 1 |
0.1%
|
|
1998 | 2 |
0.3%
|
|
3333 | Missing | 4 |
0.6%
|
5555 | Not applicable | 0 |
0%
|
8888 | Refused | 0 |
0%
|
9999 | Don't know | 336 |
49.9%
|
Sysmiss | 326 |