1968
1984
1975
1970
1972
1971
1965
1966
1966
1958
1977
1971
1967
1956
1982
1973
1973
1967
1967
1971
1982
1966
1969
1982
1974
1972
1977
1973
1988
1974
1978
1964
1956
1957
1973
1962
1970
1971
1959
1959
1959
1968
1968
1970
1961
1963
1964
1965
1971
1959
1959
1966
1988
2006
1973
1957
1977
1959
2005
1958
1959
1958
1958
1957
1972
1971
1970
1963
1967
1972
1969
1963
1966
1964
1964
1962
1961
1963
1967
1973
1968
1969
1968
1965
1987
1967
1984
1973
1966
1968
1971
1963
1961
1960
1963
1965
1969
1973
1962
1965
1968
1963
1960
1978
1970
1977
1966
1967
1964
1963
1962
1974
1964
1963
1964
1963
1960
1964
1960
1964
1964
1981
Comments