- 1926 to 192912,340
- 1930 to 193415,316
- 1935 to 193924,584
- 1940 to 194411,105
- 1945 to 194943,231
- 1950 to 195453,579
- 1955 to 195932,383
- 1960 to 196412,176
- 1965 to 196917,530
- 1970 to 197412,716
- 1975 to 19794,491
- 1980 to 19843,365
- 1985 to 19891,617
- 1990 to 1994817
- 1995 to 1997341