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
13590
13589
13588
13587
13586
13585
13584
13583
13582
13581
13580
13579
13578
13577
13576
13575
13574
13573
13572
13571
13570