| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Unknown | 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%
|
| 1918 | 1 |
0%
|
|
| 1919 | 2 |
0.1%
|
|
| 1920 | 2 |
0.1%
|
|
| 1922 | 1 |
0%
|
|
| 1924 | 2 |
0.1%
|
|
| 1925 | 1 |
0%
|
|
| 1926 | 3 |
0.1%
|
|
| 1927 | 2 |
0.1%
|
|
| 1928 | 2 |
0.1%
|
|
| 1929 | 1 |
0%
|
|
| 1930 | 4 |
0.2%
|
|
| 1931 | 2 |
0.1%
|
|
| 1933 | 2 |
0.1%
|
|
| 1935 | 2 |
0.1%
|
|
| 1936 | 1 |
0%
|
|
| 1937 | 2 |
0.1%
|
|
| 1938 | 2 |
0.1%
|
|
| 1940 | 4 |
0.2%
|
|
| 1943 | 3 |
0.1%
|
|
| 1944 | 5 |
0.2%
|
|
| 1945 | 5 |
0.2%
|
|
| 1946 | 10 |
0.5%
|
|
| 1947 | 6 |
0.3%
|
|
| 1948 | 12 |
0.6%
|
|
| 1949 | 23 |
1.1%
|
|
| 1950 | 44 |
2.2%
|
|
| 1951 | 10 |
0.5%
|
|
| 1952 | 14 |
0.7%
|
|
| 1953 | 7 |
0.3%
|
|
| 1954 | 11 |
0.5%
|
|
| 1955 | 22 |
1.1%
|
|
| 1956 | 7 |
0.3%
|
|
| 1957 | 12 |
0.6%
|
|
| 1958 | 41 |
2%
|
|
| 1959 | 37 |
1.8%
|
|
| 1960 | 123 |
6.1%
|
|
| 1961 | 30 |
1.5%
|
|
| 1962 | 39 |
1.9%
|
|
| 1963 | 15 |
0.7%
|
|
| 1964 | 22 |
1.1%
|
|
| 1965 | 51 |
2.5%
|
|
| 1966 | 30 |
1.5%
|
|
| 1967 | 28 |
1.4%
|
|
| 1968 | 74 |
3.7%
|
|
| 1969 | 84 |
4.2%
|
|
| 1970 | 124 |
6.1%
|
|
| 1971 | 44 |
2.2%
|
|
| 1972 | 67 |
3.3%
|
|
| 1973 | 85 |
4.2%
|
|
| 1974 | 194 |
9.6%
|
|
| 1975 | 102 |
5%
|
|
| 1976 | 56 |
2.8%
|
|
| 1977 | 46 |
2.3%
|
|
| 1978 | 83 |
4.1%
|
|
| 1979 | 110 |
5.4%
|
|
| 1980 | 140 |
6.9%
|
|
| 1981 | 68 |
3.4%
|
|
| 1982 | 101 |
5%
|
|
| Sysmiss | 1 |