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
14080
14079
14078
14077
14076
14075
14074
14073
14072
14071
14070
14069
14068
14067
14066
14065
14064
14063
14062
14061
14060