| 1920 | — | 43,121 | | |
| 1921 | — | 43,115 | | |
| 1922 | — | 43,114 | | |
| 1923 | — | 43,114 | | |
| 1924 | — | 43,109 | | |
| 1925 | — | 43,107 | | |
| 1926 | — | 43,106 | | |
| 1927 | — | 43,100 | | |
| 1930 | — | 43,097 | | |
| 1931 | — | 43,093 | | |
| 1932 | — | 43,091 | | |
| 1940 | — | 43,085 | | |
| 1942 | — | 43,081 | | |
| 1943 | — | 43,080 | | |
| 1946 | — | 43,078 | | |
| 1947 | — | 43,073 | | |
| 1948 | — | 43,071 | | |
| 1949 | — | 43,070 | | |
| 1950 | — | 43,067 | | |
| 1951 | — | 43,066 | | |
| 1954 | — | 43,064 | | |
| 1955 | — | 43,062 | | |
| 1956 | — | 43,061 | | |
| 1959 | — | 43,058 | | |
| 1960 | — | 43,055 | | |
| 1961 | — | 43,045 | | |
| 1964 | — | 43,045 | | |
| 1965 | — | 43,042 | | |
| 1966 | — | 43,040 | | |
| 1967 | — | 43,040 | | |
| 1968 | — | 43,027 | | |
| 1969 | — | 43,027 | | |
| 1970 | — | 43,025 | | |
| 1971 | — | 43,019 | | |
| 1972 | — | 43,016 | | |
| 1973 | — | 43,014 | | |
| 1975 | — | 43,014 | | |
| 1982 | — | 43,005 | | |
| 1983 | — | 42,999 | | |
| 1990 | — | 42,991 | | |
| 1991 | — | 42,989 | | |
| 1992 | — | 42,989 | | |
| 1993 | — | 42,988 | | |
| 1994 | — | 42,974 | | |
| 1995 | — | 42,971 | | |
| 1997 | — | 42,969 | | |
| 1998 | — | 42,968 | | |
| 2002 | — | 42,955 | | |
| 2004 | — | 42,950 | | |
| 2005 | — | 42,950 | | |