| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 1964 | 4 | 1 | 1 | 2 | |||||||||
| 1963 | 21 | 4 | 1 | 1 | 6 | 1 | 1 | 1 | 3 | 1 | 2 | ||
| 1962 | 39 | 10 | 9 | 2 | 2 | 1 | 3 | 4 | 3 | 2 | 3 | ||
| 1961 | 51 | 4 | 4 | 5 | 11 | 2 | 4 | 3 | 3 | 3 | 6 | 6 | |
| 1960 | 56 | 4 | 6 | 11 | 13 | 8 | 1 | 1 | 8 | 2 | 1 | 1 | |
| 1959 | 42 | 7 | 6 | 4 | 5 | 2 | 4 | 2 | 2 | 2 | 2 | 2 | 4 |
| 1958 | 63 | 1 | 9 | 9 | 6 | 6 | 4 | 8 | 4 | 4 | 5 | 7 | |
| 1957 | 68 | 11 | 10 | 3 | 8 | 4 | 4 | 6 | 10 | 10 | 2 | ||
| 1956 | 54 | 4 | 6 | 7 | 9 | 9 | 1 | 4 | 1 | 3 | 2 | 4 | 4 |
| 1955 | 48 | 5 | 6 | 7 | 1 | 2 | 2 | 7 | 4 | 8 | 3 | 3 | |
| 1954 | 55 | 3 | 8 | 3 | 8 | 3 | 6 | 1 | 1 | 1 | 7 | 6 | 8 |
| 1953 | 75 | 8 | 5 | 9 | 7 | 9 | 5 | 10 | 4 | 5 | 6 | 5 | 2 |
| 1952 | 46 | 8 | 5 | 7 | 3 | 3 | 3 | 4 | 3 | 3 | 6 | 1 | |
| 1951 | 53 | 4 | 7 | 5 | 5 | 3 | 4 | 3 | 5 | 4 | 4 | 4 | 5 |
| 1950 | 86 | 13 | 13 | 15 | 7 | 7 | 8 | 6 | 4 | 1 | 2 | 8 | 2 |
| 1949 | 18 | 1 | 3 | 6 | 8 | ||||||||
| 1948 | 42 | 4 | 4 | 7 | 4 | 2 | 3 | 5 | 4 | 9 | |||
| 1947 | 14 | 1 | 1 | 1 | 3 | 2 | 6 | ||||||
| 1946 | 6 | 1 | 3 | 2 | |||||||||
| 841 |
