15 1965
     11 1966
     18 1967
     23 1968
     21 1969
     28 1970
     18 1971
     28 1972
     29 1973
     17 1974
     15 1975
     12 1976
     12 1977
     12 1978
      7 1979
     15 1980
     11 1981
      8 1982
      4 1983
      7 1984
      4 1985
      4 1986
      3 1987
      4 1988
      2 1989
      1 1992
      1 1995
330