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
12810
12809
12808
12807
12806
12805
12804
12803
12802
12801
12800
12799
12798
12797
12796
12795
12794
12793
12792
12791
12790