Y \ X
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
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
14110
14109
14108
14107
14106
14105
14104
14103
14102
14101
14100
14099
14098
14097
14096
14095
14094
14093
14092
14091
14090