| Value | Category | Cases | |
|---|---|---|---|
| 1934 | 1 |
0.5%
|
|
| 1935 | 2 |
1%
|
|
| 1939 | 1 |
0.5%
|
|
| 1941 | 1 |
0.5%
|
|
| 1942 | 1 |
0.5%
|
|
| 1944 | 1 |
0.5%
|
|
| 1947 | 2 |
1%
|
|
| 1948 | 4 |
2%
|
|
| 1949 | 3 |
1.5%
|
|
| 1950 | 4 |
2%
|
|
| 1951 | 5 |
2.5%
|
|
| 1952 | 2 |
1%
|
|
| 1953 | 5 |
2.5%
|
|
| 1954 | 7 |
3.5%
|
|
| 1955 | 4 |
2%
|
|
| 1956 | 3 |
1.5%
|
|
| 1957 | 4 |
2%
|
|
| 1958 | 7 |
3.5%
|
|
| 1959 | 8 |
4%
|
|
| 1960 | 6 |
3%
|
|
| 1961 | 7 |
3.5%
|
|
| 1962 | 9 |
4.5%
|
|
| 1963 | 10 |
5%
|
|
| 1964 | 10 |
5%
|
|
| 1965 | 5 |
2.5%
|
|
| 1966 | 7 |
3.5%
|
|
| 1967 | 10 |
5%
|
|
| 1968 | 6 |
3%
|
|
| 1969 | 7 |
3.5%
|
|
| 1970 | 9 |
4.5%
|
|
| 1971 | 5 |
2.5%
|
|
| 1972 | 8 |
4%
|
|
| 1973 | 6 |
3%
|
|
| 1974 | 5 |
2.5%
|
|
| 1975 | 4 |
2%
|
|
| 1976 | 3 |
1.5%
|
|
| 1977 | 5 |
2.5%
|
|
| 1978 | 6 |
3%
|
|
| 1979 | 2 |
1%
|
|
| 1980 | 2 |
1%
|
|
| 1981 | 3 |
1.5%
|
|
| 1982 | 1 |
0.5%
|