| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 1984 | 109 | 6 | 12 | 13 | 10 | 8 | 6 | 9 | 13 | 11 | 11 | 8 | 2 |
| 1983 | - | ||||||||||||
| 1982 | 4 | 2 | 2 | ||||||||||
| 1981 | 65 | 15 | 6 | 9 | 22 | 11 | 2 | ||||||
| 1980 | 162 | 16 | 13 | 7 | 25 | 9 | 11 | 14 | 14 | 15 | 20 | 8 | 10 |
| 1979 | 162 | 22 | 26 | 14 | 14 | 12 | 18 | 13 | 11 | 22 | 9 | 1 | |
| 1978 | 151 | 23 | 8 | 26 | 7 | 17 | 12 | 12 | 24 | 7 | 15 | ||
| 1977 | 106 | 24 | 9 | 9 | 15 | 7 | 21 | 9 | 12 | ||||
| 1976 | 205 | 28 | 7 | 11 | 26 | 22 | 14 | 23 | 14 | 15 | 26 | 11 | 8 |
| 1975 | 197 | 25 | 6 | 10 | 24 | 13 | 17 | 18 | 16 | 12 | 29 | 13 | 14 |
| 1974 | 144 | 10 | 5 | 13 | 7 | 11 | 12 | 17 | 17 | 13 | 17 | 13 | 9 |
| 1973 | 55 | 1 | 1 | 1 | 5 | 8 | 5 | 7 | 15 | 6 | 6 | ||
| 1972 | - | ||||||||||||
| 1971 | 2 | 2 | |||||||||||
| 1362 |
