238
1991
37
12/1991
17
11/1991
41
10/1991
12
9/1991
33
8/1991
15
7/1991
13
6/1991
10
5/1991
14
4/1991
11
3/1991
12
2/1991
23
1/1991
218
1990
242
1989
147
1988
155
1987
122
1986
121
1985
119
1984
191
1983
137
1982
148
1981
164
1980
229
1979
282
1978
313
1977
328
1976
256
1975
198
1974