Value | Category | Cases | |
---|---|---|---|
-4 | Not asked in survey | 0 |
0%
|
-3 | Not applicable | 0 |
0%
|
-2 | No answer; Unknown | 0 |
0%
|
-1 | Dont know | 0 |
0%
|
1900 | 1 |
0.1%
|
|
1901 | 1 |
0.1%
|
|
1903 | 5 |
0.5%
|
|
1904 | 1 |
0.1%
|
|
1905 | 3 |
0.3%
|
|
1906 | 3 |
0.3%
|
|
1908 | 2 |
0.2%
|
|
1909 | 6 |
0.6%
|
|
1910 | 7 |
0.7%
|
|
1911 | 3 |
0.3%
|
|
1912 | 8 |
0.8%
|
|
1913 | 5 |
0.5%
|
|
1914 | 5 |
0.5%
|
|
1915 | 9 |
0.9%
|
|
1916 | 7 |
0.7%
|
|
1917 | 19 |
1.9%
|
|
1918 | 15 |
1.5%
|
|
1919 | 14 |
1.4%
|
|
1920 | 24 |
2.4%
|
|
1921 | 15 |
1.5%
|
|
1922 | 17 |
1.7%
|
|
1923 | 4 |
0.4%
|
|
1924 | 10 |
1%
|
|
1925 | 8 |
0.8%
|
|
1926 | 10 |
1%
|
|
1927 | 8 |
0.8%
|
|
1928 | 14 |
1.4%
|
|
1929 | 21 |
2.1%
|
|
1930 | 29 |
2.9%
|
|
1931 | 9 |
0.9%
|
|
1932 | 12 |
1.2%
|
|
1933 | 12 |
1.2%
|
|
1934 | 17 |
1.7%
|
|
1935 | 15 |
1.5%
|
|
1936 | 14 |
1.4%
|
|
1937 | 16 |
1.6%
|
|
1938 | 19 |
1.9%
|
|
1939 | 21 |
2.1%
|
|
1940 | 14 |
1.4%
|
|
1941 | 13 |
1.3%
|
|
1942 | 16 |
1.6%
|
|
1943 | 9 |
0.9%
|
|
1944 | 16 |
1.6%
|
|
1945 | 15 |
1.5%
|
|
1946 | 21 |
2.1%
|
|
1947 | 17 |
1.7%
|
|
1948 | 22 |
2.2%
|
|
1949 | 26 |
2.6%
|
|
1950 | 42 |
4.2%
|
|
1951 | 14 |
1.4%
|
|
1952 | 33 |
3.3%
|
|
1953 | 18 |
1.8%
|
|
1954 | 21 |
2.1%
|
|
1955 | 33 |
3.3%
|
|
1956 | 18 |
1.8%
|
|
1957 | 26 |
2.6%
|
|
1958 | 22 |
2.2%
|
|
1959 | 27 |
2.7%
|
|
1960 | 38 |
3.8%
|
|
1961 | 31 |
3.1%
|
|
1962 | 29 |
2.9%
|
|
1963 | 24 |
2.4%
|
|
1964 | 18 |
1.8%
|
|
1965 | 21 |
2.1%
|
|
1966 | 9 |
0.9%
|
|
1967 | 2 |
0.2%
|
|
1968 | 1 |
0.1%
|