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
11170
11169
11168
11167
11166
11165
11164
11163
11162
11161
11160
11159
11158
11157
11156
11155
11154
11153
11152
11151
11150