Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
1987 | 96 | 17 | 12 | 15 | 12 | 14 | 8 | 3 | 9 | 4 | 2 | ||
1986 | 151 | 12 | 9 | 11 | 14 | 17 | 10 | 13 | 14 | 13 | 12 | 11 | 15 |
1985 | 204 | 24 | 17 | 19 | 20 | 18 | 19 | 18 | 15 | 15 | 18 | 13 | 8 |
1984 | 246 | 17 | 18 | 16 | 24 | 27 | 19 | 25 | 23 | 20 | 23 | 19 | 15 |
1983 | 239 | 16 | 18 | 22 | 19 | 20 | 19 | 21 | 24 | 24 | 18 | 22 | 16 |
1982 | 250 | 17 | 15 | 21 | 21 | 22 | 19 | 25 | 23 | 20 | 23 | 22 | 22 |
1981 | 231 | 13 | 16 | 16 | 16 | 15 | 19 | 31 | 26 | 20 | 22 | 21 | 16 |
1980 | 235 | 21 | 19 | 26 | 20 | 19 | 21 | 22 | 20 | 15 | 17 | 21 | 14 |
1979 | 213 | 18 | 13 | 13 | 17 | 18 | 16 | 17 | 20 | 19 | 23 | 25 | 14 |
1978 | 198 | 12 | 13 | 16 | 15 | 19 | 14 | 18 | 17 | 16 | 15 | 20 | 23 |
1977 | 279 | 24 | 19 | 21 | 22 | 29 | 22 | 26 | 28 | 23 | 25 | 24 | 16 |
1976 | 178 | 13 | 15 | 16 | 13 | 17 | 15 | 16 | 15 | 15 | 16 | 16 | 11 |
1975 | 251 | 21 | 22 | 15 | 19 | 21 | 18 | 20 | 21 | 22 | 26 | 24 | 22 |
1974 | 264 | 23 | 24 | 26 | 24 | 22 | 19 | 23 | 22 | 22 | 19 | 20 | 20 |
1973 | 288 | 35 | 22 | 32 | 22 | 20 | 20 | 24 | 22 | 22 | 23 | 21 | 25 |
1972 | 331 | 26 | 25 | 20 | 23 | 26 | 30 | 28 | 37 | 32 | 34 | 23 | 27 |
1971 | 291 | 20 | 18 | 25 | 26 | 22 | 27 | 24 | 30 | 24 | 25 | 25 | 25 |
1970 | 209 | 13 | 19 | 30 | 16 | 21 | 15 | 17 | 15 | 18 | 16 | 13 | 16 |
1969 | 86 | 15 | 14 | 11 | 7 | 8 | 3 | 6 | 8 | 6 | 3 | 5 | |
1968 | 66 | 3 | 2 | 4 | 3 | 1 | 1 | 3 | 22 | 14 | 13 | ||
1967 | 148 | 7 | 19 | 16 | 26 | 23 | 24 | 6 | 5 | 2 | 7 | 13 | |
1966 | 70 | 1 | 11 | 19 | 17 | 9 | 10 | 3 | |||||
1965 | 50 | 4 | 4 | 14 | 4 | 6 | 6 | 3 | 1 | 2 | 4 | 2 | |
1964 | 117 | 34 | 20 | 22 | 1 | 2 | 7 | 8 | 7 | 1 | 1 | 3 | 11 |
1963 | 33 | 4 | 1 | 1 | 7 | 5 | 6 | 1 | 2 | 2 | 4 | ||
1962 | 63 | 10 | 10 | 11 | 1 | 3 | 1 | 5 | 7 | 5 | 4 | 2 | 4 |
1961 | 22 | 1 | 4 | 2 | 4 | 4 | 5 | 2 | |||||
1960 | 6 | 3 | 1 | 1 | 1 | ||||||||
1959 | 4 | 3 | 1 | ||||||||||
1958 | 31 | 11 | 4 | 1 | 1 | 3 | 7 | 4 | |||||
1957 | 12 | 1 | 7 | 1 | 3 | ||||||||
1956 | 9 | 1 | 1 | 6 | 1 | ||||||||
1955 | 9 | 8 | 1 | ||||||||||
1954 | 4 | 4 | |||||||||||
1953 | 4 | 4 | |||||||||||
1952 | 22 | 4 | 3 | 7 | 3 | 4 | 1 | ||||||
1951 | 13 | 1 | 5 | 4 | 3 | ||||||||
1950 | 16 | 4 | 5 | 1 | 2 | 1 | 1 | 2 | |||||
1949 | 14 | 1 | 3 | 7 | 3 |