1948
1946
1996
1979
1953
1978
1987
1989
1972
1982
1980
1969
1960
1950
1953
1979
1991
1986
1964
1985
1968
1985
1957
1978
1984
1996
1985
1971
1981
1986
1947
1951
1985
1968
1983
1979
1948
1950
1981
1964
1948
1985
1969
1978
1978
1977
1973
1972
1975
1975
1967
1968
1988
1946
1969
1968
1972
1980
1954
1953
1978
1949
1972
2016
1952
1958
1953
1953
1984
1979
1957
1950
1977
1952
1985
1954
1976
1977
1978
1962
1962
1989
1951
1968
1951
1964
1950
1968
1965
1970
1970
1985
1968
1983
1954
1987
1980
1987
1984
1973
1953
1956
1951
1960
1962
1988
1950
1959
1947
1951
1968
1965
1970
1965
1969
1966
1953
1956
1986
1988
1984
1984
1990
1983
1977
1978
1981
1985
1985
1963
1966
1996
1977
1968
1966
1980
1964
1982
1970
1985
1988
1981
1981
1979
1961
1973
1954
1952
1963
1960
1952
1961
1957
1958
1975
1980
1991
1975
1984
1983
1984
1963
1957
1984
1969
1989
1950
1950
1980
1978
1978
1963
1976
1978
1972
1964
1964
1976
1963
1952
1966
1966
1969
1952
1965
1952
1947
1971
1974
1949
1985
1966
1970
1970
1965
1966
1965
1950
1951
1963
1958
1954
1953
1985
1984
1954
1958
1974
1968
1958
1973
1963
1985
1992
1953
1952
1969
1964
1964
1979
1954
1952
1958
1966
1954
1985
1952
Comments