| 1908 | — | 43,100 | | |
| 1909 | — | 43,094 | | |
| 1910 | — | 43,093 | | |
| 1912 | — | 43,089 | | |
| 1913 | — | 43,087 | | |
| 1916 | — | 43,084 | | |
| 1920 | — | 43,076 | | |
| 1921 | — | 43,075 | | |
| 1922 | — | 43,071 | | |
| 1923 | — | 43,071 | | |
| 1924 | — | 43,071 | | |
| 1925 | — | 43,066 | | |
| 1926 | — | 43,063 | | |
| 1929 | — | 43,054 | | |
| 1930 | — | 43,052 | | |
| 1931 | — | 43,052 | | |
| 1932 | — | 43,051 | | |
| 1934 | — | 43,045 | | |
| 1935 | — | 43,041 | | |
| 1938 | — | 43,030 | | |
| 1939 | — | 43,029 | | |
| 1940 | — | 43,029 | | |
| 1941 | — | 43,029 | | |
| 1943 | — | 43,022 | | |
| 1944 | — | 43,003 | | |
| 1945 | — | 43,002 | | |
| 1948 | — | 42,997 | | |
| 1949 | — | 42,993 | | |
| 1952 | — | 42,990 | | |
| 1953 | — | 42,990 | | |
| 1955 | — | 42,986 | | |
| 1956 | — | 42,984 | | |
| 1957 | — | 42,977 | | |
| 1958 | — | 42,974 | | |
| 1959 | — | 42,965 | | |
| 1961 | — | 42,965 | | |
| 1962 | — | 42,961 | | |
| 1963 | — | 42,959 | | |
| 1964 | — | 42,958 | | |
| 1965 | — | 42,958 | | |
| 1966 | — | 42,958 | | |
| 1967 | — | 42,954 | | |
| 1968 | — | 42,950 | | |
| 1969 | — | 42,949 | | |
| 1970 | — | 42,948 | | |
| 1971 | — | 42,948 | | |
| 1972 | — | 42,945 | | |
| 1973 | — | 42,945 | | |
| 1974 | — | 42,940 | | |
| 1975 | — | 42,938 | | |