| Value | Category | Cases | |
|---|---|---|---|
| 1924 | 2 |
0.2%
|
|
| 1925 | 1 |
0.1%
|
|
| 1926 | 1 |
0.1%
|
|
| 1927 | 2 |
0.2%
|
|
| 1928 | 1 |
0.1%
|
|
| 1929 | 2 |
0.2%
|
|
| 1930 | 1 |
0.1%
|
|
| 1932 | 4 |
0.4%
|
|
| 1933 | 1 |
0.1%
|
|
| 1934 | 7 |
0.7%
|
|
| 1935 | 4 |
0.4%
|
|
| 1937 | 1 |
0.1%
|
|
| 1938 | 1 |
0.1%
|
|
| 1939 | 3 |
0.3%
|
|
| 1940 | 3 |
0.3%
|
|
| 1941 | 13 |
1.3%
|
|
| 1942 | 9 |
0.9%
|
|
| 1943 | 6 |
0.6%
|
|
| 1944 | 10 |
1%
|
|
| 1945 | 7 |
0.7%
|
|
| 1946 | 13 |
1.3%
|
|
| 1947 | 12 |
1.2%
|
|
| 1948 | 17 |
1.7%
|
|
| 1949 | 13 |
1.3%
|
|
| 1950 | 21 |
2.1%
|
|
| 1951 | 17 |
1.7%
|
|
| 1952 | 30 |
3%
|
|
| 1953 | 17 |
1.7%
|
|
| 1954 | 31 |
3.2%
|
|
| 1955 | 36 |
3.7%
|
|
| 1956 | 40 |
4.1%
|
|
| 1957 | 39 |
4%
|
|
| 1958 | 33 |
3.4%
|
|
| 1959 | 59 |
6%
|
|
| 1960 | 43 |
4.4%
|
|
| 1961 | 38 |
3.9%
|
|
| 1962 | 37 |
3.8%
|
|
| 1963 | 49 |
5%
|
|
| 1964 | 30 |
3%
|
|
| 1965 | 32 |
3.3%
|
|
| 1966 | 21 |
2.1%
|
|
| 1967 | 13 |
1.3%
|
|
| 1968 | 12 |
1.2%
|
|
| 1969 | 7 |
0.7%
|
|
| 1970 | 8 |
0.8%
|
|
| 1971 | 4 |
0.4%
|
|
| 1972 | 2 |
0.2%
|
|
| 1973 | 2 |
0.2%
|
|
| 1974 | 2 |
0.2%
|
|
| 1975 | 4 |
0.4%
|
|
| 1976 | 6 |
0.6%
|
|
| 1977 | 2 |
0.2%
|
|
| 1978 | 2 |
0.2%
|
|
| 1979 | 7 |
0.7%
|
|
| 1980 | 41 |
4.2%
|
|
| 1981 | 40 |
4.1%
|
|
| 1982 | 27 |
2.7%
|
|
| 1983 | 29 |
2.9%
|
|
| 1984 | 22 |
2.2%
|
|
| 1985 | 22 |
2.2%
|
|
| 1986 | 17 |
1.7%
|
|
| 1987 | 7 |
0.7%
|
|
| 1988 | 1 |
0.1%
|
|
| 9999 | 9999. Don't know | 0 |
0%
|
| Sysmiss | 15 |