1970
51
1971
51
1972
53
1973
52
1974
49
1975
51
1976
52
1977
50
1978
51
1979
40
1980
48
1981
13
1982
2
1983
3
1984
22
1985
25
1986
7
1987
8
1988
32
1989
16
1990
13
TV Times Specials
5