148
1981
16
12/1981
17
11/1981
11
10/1981
10
9/1981
11
8/1981
18
7/1981
10
6/1981
14
5/1981
10
4/1981
20
3/1981
4
2/1981
7
1/1981
164
1980
229
1979
282
1978
313
1977
328
1976
256
1975
198
1974
100
1973
90
1972
103
1971
85
1970
138
1969
123
1968
116
1967
167
1966
140
1965
98
1964