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
9760
9759
9758
9757
9756
9755
9754
9753
9752
9751
9750
9749
9748
9747
9746
9745
9744
9743
9742
9741
9740