| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Unknown; SG: Refused | 0 |
0%
|
| -4 | Not asked in survey | 0 |
0%
|
| -3 | Not applicable | 0 |
0%
|
| -2 | No answer | 0 |
0%
|
| -1 | Don´t know | 0 |
0%
|
| 1928 | 4 |
0.1%
|
|
| 1929 | 3 |
0.1%
|
|
| 1930 | 2 |
0.1%
|
|
| 1932 | 2 |
0.1%
|
|
| 1933 | 1 |
0%
|
|
| 1934 | 4 |
0.1%
|
|
| 1935 | 3 |
0.1%
|
|
| 1936 | 3 |
0.1%
|
|
| 1937 | 6 |
0.2%
|
|
| 1938 | 9 |
0.3%
|
|
| 1939 | 11 |
0.3%
|
|
| 1940 | 12 |
0.3%
|
|
| 1941 | 8 |
0.2%
|
|
| 1942 | 9 |
0.3%
|
|
| 1943 | 18 |
0.5%
|
|
| 1944 | 7 |
0.2%
|
|
| 1945 | 11 |
0.3%
|
|
| 1946 | 12 |
0.3%
|
|
| 1947 | 9 |
0.3%
|
|
| 1948 | 30 |
0.8%
|
|
| 1949 | 17 |
0.5%
|
|
| 1950 | 32 |
0.9%
|
|
| 1951 | 21 |
0.6%
|
|
| 1952 | 21 |
0.6%
|
|
| 1953 | 28 |
0.8%
|
|
| 1954 | 18 |
0.5%
|
|
| 1955 | 41 |
1.2%
|
|
| 1956 | 36 |
1%
|
|
| 1957 | 34 |
1%
|
|
| 1958 | 50 |
1.4%
|
|
| 1959 | 30 |
0.8%
|
|
| 1960 | 39 |
1.1%
|
|
| 1961 | 41 |
1.2%
|
|
| 1962 | 57 |
1.6%
|
|
| 1963 | 68 |
1.9%
|
|
| 1964 | 58 |
1.6%
|
|
| 1965 | 68 |
1.9%
|
|
| 1966 | 52 |
1.5%
|
|
| 1967 | 39 |
1.1%
|
|
| 1968 | 58 |
1.6%
|
|
| 1969 | 59 |
1.7%
|
|
| 1970 | 61 |
1.7%
|
|
| 1971 | 49 |
1.4%
|
|
| 1972 | 51 |
1.4%
|
|
| 1973 | 94 |
2.7%
|
|
| 1974 | 72 |
2%
|
|
| 1975 | 79 |
2.2%
|
|
| 1976 | 84 |
2.4%
|
|
| 1977 | 88 |
2.5%
|
|
| 1978 | 127 |
3.6%
|
|
| 1979 | 96 |
2.7%
|
|
| 1980 | 88 |
2.5%
|
|
| 1981 | 83 |
2.4%
|
|
| 1982 | 104 |
2.9%
|
|
| 1983 | 114 |
3.2%
|
|
| 1984 | 97 |
2.7%
|
|
| 1985 | 104 |
2.9%
|
|
| 1986 | 108 |
3.1%
|
|
| 1987 | 103 |
2.9%
|
|
| 1988 | 121 |
3.4%
|
|
| 1989 | 132 |
3.7%
|
|
| 1990 | 106 |
3%
|
|
| 1991 | 85 |
2.4%
|
|
| 1992 | 110 |
3.1%
|
|
| 1993 | 91 |
2.6%
|
|
| 1994 | 75 |
2.1%
|
|
| 1995 | 92 |
2.6%
|
|
| 1996 | 51 |
1.4%
|
|
| 1997 | 35 |
1%
|