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
11120
11119
11118
11117
11116
11115
11114
11113
11112
11111
11110
11109
11108
11107
11106
11105
11104
11103
11102
11101
11100