Y \ X
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
13160
13159
13158
13157
13156
13155
13154
13153
13152
13151
13150
13149
13148
13147
13146
13145
13144
13143
13142
13141
13140