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
9740
9739
9738
9737
9736
9735
9734
9733
9732
9731
9730
9729
9728
9727
9726
9725
9724
9723
9722
9721
9720