Beginning Year | Beginning Number |
---|---|
1945 | 272000 |
1946 | 277000 |
1947 | 287000 |
1948 | 296500 |
1949 | 301500 |
1950 | 308000 |
1951 | 316500 |
1952 | 322000 |
1953 | 330000 |
1954 | 337000 |
1955 | 340000 |
1956 | 346000 |
1957 | 352000 |
1958 | 358000 |
1959 | 364000 |
1960 | 370000 |
1961 | 377300 |
1962 | 384600 |
1963 | 391900 |
1964 | 399200 |
1965 | 406500 |
1966 | 416720 |
1967 | 426940 |
1968 | 437160 |
1969 | 447380 |
1970 | 457600 |
1971 | 468430 |
1972 | 479260 |
1973 | 490090 |
1974 | 500920 |