| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 1985 | 18 | 11 | 7 | ||||||||||
| 1984 | 51 | 5 | 3 | 18 | 3 | 2 | 5 | 9 | 6 | ||||
| 1983 | 207 | 19 | 18 | 13 | 17 | 28 | 17 | 16 | 24 | 23 | 14 | 8 | 10 |
| 1982 | 199 | 16 | 14 | 17 | 22 | 16 | 24 | 24 | 12 | 17 | 12 | 17 | 8 |
| 1981 | 192 | 7 | 10 | 10 | 27 | 11 | 18 | 24 | 27 | 15 | 14 | 17 | 12 |
| 1980 | 130 | 14 | 12 | 15 | 11 | 9 | 11 | 18 | 10 | 1 | 9 | 14 | 6 |
| 1979 | 145 | 14 | 9 | 5 | 8 | 16 | 12 | 14 | 19 | 6 | 11 | 19 | 12 |
| 1978 | 134 | 7 | 11 | 13 | 13 | 18 | 14 | 13 | 13 | 4 | 2 | 11 | 15 |
| 1977 | 136 | 21 | 15 | 16 | 13 | 18 | 14 | 13 | 13 | 7 | 3 | 3 | |
| 1976 | 108 | 8 | 9 | 8 | 15 | 15 | 13 | 6 | 4 | 17 | 10 | 3 | |
| 1975 | 138 | 17 | 18 | 12 | 13 | 15 | 10 | 10 | 11 | 6 | 10 | 11 | 5 |
| 1974 | 204 | 22 | 18 | 14 | 22 | 14 | 16 | 18 | 16 | 15 | 13 | 20 | 16 |
| 1973 | 159 | 17 | 21 | 8 | 10 | 7 | 12 | 11 | 11 | 19 | 14 | 12 | 17 |
| 1972 | 203 | 22 | 15 | 15 | 18 | 15 | 18 | 16 | 20 | 9 | 23 | 14 | 18 |
| 1971 | 190 | 17 | 16 | 21 | 24 | 16 | 16 | 5 | 14 | 16 | 16 | 17 | 12 |
| 1970 | 179 | 11 | 17 | 21 | 21 | 20 | 13 | 10 | 10 | 11 | 17 | 13 | 15 |
| 1969 | 77 | 14 | 14 | 7 | 6 | 7 | 3 | 3 | 10 | 3 | 6 | 2 | 2 |
| 1968 | 69 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 15 | 12 | 12 | |
| 1967 | 65 | 1 | 2 | 3 | 9 | 8 | 9 | 9 | 7 | 9 | 8 | ||
| 1966 | 28 | 7 | 5 | 5 | 7 | 1 | 1 | 1 | 1 | ||||
| 1965 | 53 | 1 | 2 | 3 | 6 | 9 | 26 | 4 | 2 | ||||
| 2685 |
