| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 8909 |
4.8%
|
| 29 | 1929 | 1 |
0%
|
| 33 | 1933 | 1 |
0%
|
| 34 | 1934 | 2 |
0%
|
| 35 | 1935 | 11 |
0%
|
| 36 | 1936 | 5 |
0%
|
| 37 | 1937 | 10 |
0%
|
| 38 | 1938 | 9 |
0%
|
| 39 | 1939 | 3 |
0%
|
| 40 | 1940 | 16 |
0%
|
| 41 | 1941 | 1 |
0%
|
| 42 | 1942 | 3 |
0%
|
| 43 | 1943 | 4 |
0%
|
| 44 | 1944 | 48 |
0%
|
| 45 | 1945 | 77 |
0%
|
| 46 | 1946 | 44 |
0%
|
| 47 | 1947 | 138 |
0.1%
|
| 48 | 1948 | 186 |
0.1%
|
| 49 | 1949 | 150 |
0.1%
|
| 50 | 1950 | 202 |
0.1%
|
| 51 | 1951 | 2330 |
1.2%
|
| 52 | 1952 | 7598 |
4.1%
|
| 53 | 1953 | 6908 |
3.7%
|
| 54 | 1954 | 4825 |
2.6%
|
| 55 | 1955 | 5954 |
3.2%
|
| 56 | 1956 | 8288 |
4.4%
|
| 57 | 1957 | 8742 |
4.7%
|
| 58 | 1958 | 8802 |
4.7%
|
| 59 | 1959 | 12181 |
6.5%
|
| 60 | 1960 | 14298 |
7.6%
|
| 61 | 1961 | 6511 |
3.5%
|
| 62 | 1962 | 1775 |
0.9%
|
| 63 | 1963 | 831 |
0.4%
|
| 64 | 1964 | 808 |
0.4%
|
| 65 | 1965 | 1001 |
0.5%
|
| 66 | 1966 | 1260 |
0.7%
|
| 67 | 1967 | 2857 |
1.5%
|
| 68 | 1968 | 2524 |
1.3%
|
| 69 | 1969 | 5586 |
3%
|
| 70 | 1970 | 5573 |
3%
|
| 71 | 1971 | 2968 |
1.6%
|
| 72 | 1972 | 2110 |
1.1%
|
| 73 | 1973 | 2094 |
1.1%
|
| 74 | 1974 | 2039 |
1.1%
|
| 75 | 1975 | 2069 |
1.1%
|
| 76 | 1976 | 4160 |
2.2%
|
| 77 | 1977 | 5667 |
3%
|
| 78 | 1978 | 18396 |
9.8%
|
| 79 | 1979 | 19918 |
10.6%
|
| 80 | 1980 | 9426 |
5%
|