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
13020
13019
13018
13017
13016
13015
13014
13013
13012
13011
13010
13009
13008
13007
13006
13005
13004
13003
13002
13001
13000