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
10630
10629
10628
10627
10626
10625
10624
10623
10622
10621
10620
10619
10618
10617
10616
10615
10614
10613
10612
10611
10610