| Breakdown of Reports by Year | ||||||||
| Year | # | Year | # | Year | # | |||
| 1873 | 2 | 1960 | 1 | 1983 | 3 | |||
| 1886 | 1 | 1962 | 4 | 1984 | 2 | |||
| 1893 | 1 | 1963 | 2 | 1985 | 1 | |||
| 1897 | 1 | 1964 | 5 | 1986 | 6 | |||
| 1903 | 1 | 1965 | 8 | 1987 | 2 | |||
| 1917 | 1 | 1966 | 6 | 1988 | 4 | |||
| 1919 | 1 | 1967 | 13 | 1989 | 3 | |||
| 1933 | 1 | 1968 | 9 | 1990 | 3 | |||
| 1940 | 1 | 1969 | 7 | 1991 | 9 | |||
| 1946 | 1 | 1970 | 5 | 1992 | 9 | |||
| 1948 | 1 | 1971 | 4 | 1993 | 5 | |||
| 1949 | 1 | 1972 | 2 | 1994 | 0 | |||
| 1950 | 4 | 1973 | 8 | 1995 | 5 | |||
| 1951 | 1 | 1974 | 6 | 1996 | 0 | |||
| 1952 | 6 | 1975 | 8 | 1997 | 1 | |||
| 1953 | 2 | 1976 | 13 | 1950s | 1 | |||
| 1954 | 9 | 1977 | 18 | 1960s | 2 | |||
| 1955 | 6 | 1978 | 16 | 1970s | 1 | |||
| 1956 | 2 | 1979 | 14 | 1980s | 1 | |||
| 1957 | 12 | 1980 | 9 | |||||
| 1958 | 3 | 1981 | 12 | |||||
| 1959 | 5 | 1982 | 7 | |||||
| Breakdown of Cases by Month | ||||||||
| January | 18 | |||||||
| February | 13 | |||||||
| March | 19 | |||||||
| April | 15 | |||||||
| May | 21 | |||||||
| June | 11 | |||||||
| July | 23 | |||||||
| August | 33 | |||||||
| September | 34 | |||||||
| October | 28 | |||||||
| November | 21 | |||||||
| December | 25 | |||||||
