Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 0 |
0%
|
1931 | 2 |
0.1%
|
|
1933 | 1 |
0%
|
|
1934 | 2 |
0.1%
|
|
1936 | 2 |
0.1%
|
|
1937 | 1 |
0%
|
|
1938 | 1 |
0%
|
|
1939 | 5 |
0.2%
|
|
1940 | 5 |
0.2%
|
|
1941 | 1 |
0%
|
|
1942 | 2 |
0.1%
|
|
1943 | 2 |
0.1%
|
|
1944 | 4 |
0.1%
|
|
1945 | 5 |
0.2%
|
|
1946 | 9 |
0.3%
|
|
1947 | 5 |
0.2%
|
|
1948 | 6 |
0.2%
|
|
1949 | 5 |
0.2%
|
|
1950 | 11 |
0.3%
|
|
1951 | 8 |
0.3%
|
|
1952 | 11 |
0.3%
|
|
1953 | 9 |
0.3%
|
|
1954 | 20 |
0.6%
|
|
1955 | 11 |
0.3%
|
|
1956 | 18 |
0.6%
|
|
1957 | 20 |
0.6%
|
|
1958 | 18 |
0.6%
|
|
1959 | 12 |
0.4%
|
|
1960 | 14 |
0.4%
|
|
1961 | 17 |
0.5%
|
|
1962 | 10 |
0.3%
|
|
1963 | 10 |
0.3%
|
|
1964 | 9 |
0.3%
|
|
1965 | 11 |
0.3%
|
|
1966 | 18 |
0.6%
|
|
1967 | 12 |
0.4%
|
|
1968 | 44 |
1.4%
|
|
1969 | 35 |
1.1%
|
|
1970 | 38 |
1.2%
|
|
1971 | 50 |
1.6%
|
|
1972 | 70 |
2.2%
|
|
1973 | 67 |
2.1%
|
|
1974 | 80 |
2.5%
|
|
1975 | 84 |
2.6%
|
|
1976 | 111 |
3.5%
|
|
1977 | 127 |
4%
|
|
1978 | 146 |
4.6%
|
|
1979 | 153 |
4.8%
|
|
1980 | 143 |
4.5%
|
|
1981 | 180 |
5.7%
|
|
1982 | 250 |
7.9%
|
|
1983 | 233 |
7.3%
|
|
1984 | 285 |
9%
|
|
1985 | 212 |
6.7%
|
|
1986 | 184 |
5.8%
|
|
1987 | 154 |
4.8%
|
|
1988 | 116 |
3.7%
|
|
1989 | 65 |
2%
|
|
1990 | 39 |
1.2%
|
|
1991 | 11 |
0.3%
|
|
1992 | 1 |
0%
|
|
1994 | 1 |
0%
|
|
1995 | 1 |
0%
|
|
Sysmiss | 1 |