| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 1984 | 1 | 1 | |||||||||||
| 1983 | - | ||||||||||||
| 1982 | - | ||||||||||||
| 1981 | - | ||||||||||||
| 1980 | 1 | 1 | |||||||||||
| 1979 | 13 | 12 | 1 | ||||||||||
| 1978 | 32 | 10 | 6 | 1 | 1 | 1 | 2 | 11 | |||||
| 1977 | 71 | 1 | 5 | 13 | 7 | 9 | 13 | 6 | 5 | 9 | 3 | ||
| 1976 | 130 | 9 | 14 | 13 | 11 | 12 | 6 | 13 | 12 | 12 | 18 | 10 | |
| 1975 | 73 | 5 | 19 | 18 | 12 | 13 | 6 | ||||||
| 1974 | 25 | 2 | 2 | 2 | 6 | 2 | 2 | 2 | 1 | 3 | 2 | 1 | |
| 1973 | 94 | 9 | 17 | 11 | 13 | 13 | 11 | 6 | 6 | 2 | 5 | 1 | |
| 1972 | 128 | 16 | 16 | 12 | 12 | 17 | 15 | 16 | 13 | 6 | 5 | ||
| 1971 | 120 | 6 | 12 | 14 | 16 | 7 | 9 | 10 | 15 | 7 | 12 | 6 | 6 |
| 1970 | 93 | 8 | 13 | 15 | 12 | 9 | 10 | 9 | 8 | 2 | 1 | 5 | 1 |
| 1969 | 86 | 18 | 14 | 12 | 14 | 9 | 3 | 4 | 6 | 1 | 1 | 4 | |
| 1968 | 159 | 13 | 14 | 20 | 13 | 13 | 9 | 14 | 14 | 8 | 10 | 15 | 16 |
| 1967 | 75 | 20 | 14 | 17 | 6 | 1 | 2 | 1 | 2 | 2 | 1 | 9 | |
| 1966 | 90 | 14 | 2 | 9 | 16 | 15 | 19 | 4 | 3 | 3 | 3 | 1 | 1 |
| 1965 | 50 | 7 | 5 | 7 | 7 | 6 | 9 | 2 | 2 | 1 | 3 | 1 | |
| 1964 | 112 | 11 | 15 | 8 | 10 | 13 | 15 | 6 | 1 | 9 | 16 | 8 | |
| 1963 | 109 | 14 | 8 | 14 | 12 | 7 | 6 | 2 | 9 | 13 | 16 | 8 | |
| 1962 | 43 | 1 | 5 | 2 | 2 | 10 | 13 | 10 | |||||
| 1961 | 17 | 1 | 1 | 2 | 1 | 1 | 1 | 4 | 3 | 3 | |||
| 1960 | 25 | 5 | 3 | 4 | 4 | 1 | 2 | 3 | 3 | ||||
| 1959 | 47 | 9 | 2 | 8 | 5 | 1 | 1 | 1 | 3 | 6 | 7 | 4 | |
| 1958 | 64 | 5 | 4 | 6 | 3 | 10 | 8 | 11 | 9 | 8 | |||
| 1957 | 63 | 1 | 1 | 5 | 4 | 7 | 4 | 6 | 9 | 12 | 11 | 3 | |
| 1956 | 41 | 1 | 4 | 6 | 2 | 5 | 2 | 7 | 11 | 2 | 1 | ||
| 1955 | 17 | 3 | 1 | 3 | 2 | 3 | 1 | 1 | 3 | ||||
| 1954 | 40 | 8 | 8 | 4 | 2 | 1 | 1 | 2 | 2 | 4 | 3 | 2 | 3 |
| 1953 | 31 | 1 | 2 | 5 | 3 | 7 | 5 | 4 | 2 | 2 | |||
| 1952 | 13 | 2 | 1 | 1 | 5 | 2 | 2 | ||||||
| 1863 |