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
13760
13759
13758
13757
13756
13755
13754
13753
13752
13751
13750
13749
13748
13747
13746
13745
13744
13743
13742
13741
13740