Y \ X
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
12990
12989
12988
12987
12986
12985
12984
12983
12982
12981
12980
12979
12978
12977
12976
12975
12974
12973
12972
12971
12970