Y \ X
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
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
10120
10119
10118
10117
10116
10115
10114
10113
10112
10111
10110
10109
10108
10107
10106
10105
10104
10103
10102
10101
10100