Y \ X
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
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
7360
7359
7358
7357
7356
7355
7354
7353
7352
7351
7350
7349
7348
7347
7346
7345
7344
7343
7342
7341
7340