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
13460
13459
13458
13457
13456
13455
13454
13453
13452
13451
13450
13449
13448
13447
13446
13445
13444
13443
13442
13441
13440