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
10140
10139
10138
10137
10136
10135
10134
10133
10132
10131
10130
10129
10128
10127
10126
10125
10124
10123
10122
10121
10120