1982
1951
1951
1988
1964
1956
1955
1956
1978
1988
1953
1960
1971
1948
1976
1955
1957
1957
1966
1980
1979
1962
1963
1972
1965
1961
1951
1956
1982
1985
1966
1962
1962
1962
1953
1979
1953
1963
1974
1960
1981
1980
1964
1970
1966
1984
1954
1960
1981
1977
1956
1979
1968
1948
1972
1981
1962
1953
1973
1962
1950
1978
1951
1985
1960
1953
1989
1971
1972
1983
1962
1952
1966
1966
1983
1956
1956
1959
1955
1971
1962
1974
1989
1978
1951
1960
1962
1977
1973
1970
1952
1968
1964
1970
1983
1981
1963
1954
1961
1974
1974
1980
1966
1953
1972
1971
1989
1972
1950
1982
1987
1981
1962
1963
1966
1959
1978
1979
1959
1964
1987
1948
1959
1968
1970
1981
1977
1972
1986
1981
1962
1973
1955
1974
1948
1965
1956
1984
1973
1950
1958
1967
1962
1958
1960
1973
1954
1956
1957
1979
1987
1966
1971
1963
1973
1961
1973
1964
1956
1958
1955
1953
1982
1980
1981
1963
1966
1974
1958
1954
1977
1973
1986
1965
1957
1988
1987
1958
1959
1965
1977
1960
Comments