| 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%
|
| 1914 | 2 |
0.1%
|
|
| 1915 | 2 |
0.1%
|
|
| 1916 | 2 |
0.1%
|
|
| 1917 | 1 |
0.1%
|
|
| 1919 | 3 |
0.2%
|
|
| 1920 | 3 |
0.2%
|
|
| 1921 | 4 |
0.3%
|
|
| 1922 | 1 |
0.1%
|
|
| 1923 | 6 |
0.4%
|
|
| 1924 | 9 |
0.7%
|
|
| 1925 | 4 |
0.3%
|
|
| 1926 | 14 |
1%
|
|
| 1927 | 7 |
0.5%
|
|
| 1928 | 17 |
1.2%
|
|
| 1929 | 11 |
0.8%
|
|
| 1930 | 22 |
1.6%
|
|
| 1931 | 14 |
1%
|
|
| 1932 | 30 |
2.2%
|
|
| 1933 | 27 |
2%
|
|
| 1934 | 25 |
1.8%
|
|
| 1935 | 31 |
2.3%
|
|
| 1936 | 39 |
2.9%
|
|
| 1937 | 27 |
2%
|
|
| 1938 | 27 |
2%
|
|
| 1939 | 26 |
1.9%
|
|
| 1940 | 29 |
2.1%
|
|
| 1941 | 21 |
1.5%
|
|
| 1942 | 26 |
1.9%
|
|
| 1943 | 22 |
1.6%
|
|
| 1944 | 16 |
1.2%
|
|
| 1945 | 15 |
1.1%
|
|
| 1946 | 22 |
1.6%
|
|
| 1947 | 22 |
1.6%
|
|
| 1948 | 39 |
2.9%
|
|
| 1949 | 16 |
1.2%
|
|
| 1950 | 28 |
2.1%
|
|
| 1951 | 33 |
2.4%
|
|
| 1952 | 29 |
2.1%
|
|
| 1953 | 32 |
2.3%
|
|
| 1954 | 16 |
1.2%
|
|
| 1955 | 24 |
1.8%
|
|
| 1956 | 33 |
2.4%
|
|
| 1957 | 25 |
1.8%
|
|
| 1958 | 34 |
2.5%
|
|
| 1959 | 25 |
1.8%
|
|
| 1960 | 28 |
2.1%
|
|
| 1961 | 20 |
1.5%
|
|
| 1962 | 17 |
1.2%
|
|
| 1963 | 26 |
1.9%
|
|
| 1964 | 30 |
2.2%
|
|
| 1965 | 20 |
1.5%
|
|
| 1966 | 20 |
1.5%
|
|
| 1967 | 25 |
1.8%
|
|
| 1968 | 22 |
1.6%
|
|
| 1969 | 29 |
2.1%
|
|
| 1970 | 27 |
2%
|
|
| 1971 | 22 |
1.6%
|
|
| 1972 | 28 |
2.1%
|
|
| 1973 | 34 |
2.5%
|
|
| 1974 | 14 |
1%
|
|
| 1975 | 25 |
1.8%
|
|
| 1976 | 23 |
1.7%
|
|
| 1977 | 17 |
1.2%
|
|
| 1978 | 17 |
1.2%
|
|
| 1979 | 22 |
1.6%
|
|
| 1980 | 17 |
1.2%
|
|
| 1981 | 14 |
1%
|
|
| 1982 | 4 |
0.3%
|