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Beginning Year | Beginning Number |
---|---|
1925 | 18500 |
1926 | 23000 |
1927 | 27500 |
1928 | 31000 |
1929 | 34000 |
1930 | 36500 |
1931 | 38500 |
1932 | 111100 |
1933 | 113990 |
1934 | 115000 |
1935 | 117300 |
1936 | 118600 |
1937 | 120600 |
1938 | 122900 |
1939 | 125850 |
1940 | 132800 |
1941 | 140100 |
1942 | 151300 |
1943 | 154200 |
1944 | 154700 |
1945 | 154900 |
1946 | 156100 |
1947 | 165600 |
1948 | 182000 |
1949 | 198300 |
1950 | 210300 |
1951 | 220500 |
1952 | 232600 |
1953 | 243350 |
1954 | 254100 |
1955 | 269000 |
1956 | 281400 |
1957 | 293700 |
1958 | 307400 |
1959 | 315700 |
1960 | 326100 |
1961 | 337600 |
1962 | 348400 |
1963 | 358500 |
1964 | 373700 |
1965 | 388950 |
1966 | 403351 |
1967 | 436000 |
1968 | 455750 |
1969 | 467100 |
1970 | 483100 |
1971 | 496800 |
1972 | 504201 |
1973 | 519300 |
1974 | 524600 |
1975 | 529900 |
1976 | 535200 |
1977 | 542000 |
1978 | 548430 |
1979 | 553525 |