Year |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
1961 |
9 |
10 |
11 |
4 |
4 |
11 |
13 |
7 |
5 |
4 |
9 |
10 |
97 |
1962 |
13 |
8 |
8 |
8 |
3 |
10 |
3 |
5 |
7 |
5 |
8 |
9 |
87 |
1963 |
5 |
7 |
3 |
7 |
4 |
8 |
10 |
6 |
8 |
1 |
9 |
6 |
74 |
1964 |
11 |
10 |
7 |
8 |
6 |
7 |
1 |
5 |
10 |
4 |
9 |
10 |
88 |
1965 |
5 |
11 |
13 |
3 |
16 |
9 |
5 |
6 |
6 |
1 |
5 |
10 |
90 |
1966 |
9 |
9 |
3 |
8 |
10 |
5 |
4 |
10 |
7 |
5 |
7 |
11 |
88 |
1967 |
8 |
7 |
5 |
3 |
7 |
2 |
10 |
4 |
6 |
3 |
5 |
16 |
76 |
1968 |
13 |
12 |
9 |
11 |
6 |
11 |
7 |
5 |
9 |
4 |
9 |
8 |
104 |
1969 |
7 |
8 |
9 |
8 |
9 |
2 |
5 |
4 |
5 |
7 |
4 |
6 |
74 |
1970 |
6 |
8 |
10 |
5 |
6 |
6 |
0 |
7 |
10 |
9 |
3 |
8 |
78 |
1971 |
3 |
7 |
7 |
5 |
7 |
8 |
7 |
8 |
11 |
7 |
4 |
12 |
86 |
1972 |
10 |
4 |
9 |
5 |
7 |
5 |
10 |
10 |
10 |
7 |
8 |
11 |
96 |
1973 |
10 |
7 |
12 |
10 |
8 |
11 |
6 |
12 |
9 |
10 |
7 |
7 |
109 |
1974 |
18 |
4 |
6 |
3 |
7 |
8 |
5 |
14 |
11 |
4 |
15 |
9 |
104 |
1975 |
11 |
8 |
10 |
8 |
12 |
13 |
6 |
8 |
6 |
7 |
5 |
7 |
101 |
1976 |
5 |
5 |
14 |
7 |
9 |
5 |
8 |
6 |
8 |
5 |
5 |
9 |
86 |
1977 |
6 |
5 |
6 |
8 |
3 |
4 |
5 |
8 |
6 |
3 |
5 |
8 |
67 |
1978 |
13 |
9 |
9 |
5 |
8 |
2 |
4 |
4 |
10 |
6 |
6 |
7 |
83 |
1979 |
15 |
13 |
9 |
11 |
8 |
7 |
9 |
11 |
6 |
2 |
7 |
7 |
105 |
1980 |
10 |
7 |
15 |
6 |
12 |
1 |
2 |
3 |
9 |
5 |
5 |
3 |
78 |
1981 |
6 |
5 |
8 |
5 |
12 |
8 |
9 |
3 |
5 |
10 |
5 |
5 |
81 |
1982 |
11 |
5 |
9 |
14 |
6 |
6 |
8 |
2 |
6 |
10 |
8 |
13 |
98 |
1983 |
8 |
7 |
7 |
7 |
9 |
12 |
6 |
7 |
5 |
4 |
5 |
14 |
91 |
| 1984 | 5 | 8 | 9 | 4 | 4 | 4 | 5 | 4 | 5 | 16 | 7 | 7 | 78 |
| 1985 | 8 | 9 | 9 | 6 | 8 | 2 | 8 | 6 | 7 | 11 | 9 | 4 | 87 |
| 1986 | 5 | 4 | 5 | 6 | 11 | 14 | 3 | 9 | 10 | 9 | 12 | 13 | 101 |
| 1987 | 7 | 13 | 9 | 5 | 8 | 11 | 8 | 5 | 6 | 4 | 7 | 10 | 93 |
| 1988 | 6 | 10 | 9 | 5 | 5 | 3 | 6 | 6 | 6 | 7 | 6 | 10 | 79 |
| 1989 | 16 | 7 | 10 | 4 | 9 | 14 | 6 | 6 | 5 | 6 | 6 | 5 | 94 |
| 1990 | 16 | 11 | 10 | 7 | 6 | 4 | 10 | 4 | 9 | 6 | 6 | 12 | 101 |