| Year | Value | | 2022 | 5,431,752 | | 2021 | 5,447,247 | | 2020 | 5,458,827 | | 2019 | 5,454,147 | | 2018 | 5,446,771 | | 2017 | 5,439,232 | | 2016 | 5,430,798 | | 2015 | 5,423,801 | | 2014 | 5,418,649 | | 2013 | 5,413,393 | | 2012 | 5,407,579 | | 2011 | 5,398,384 | | 2010 | 5,391,428 | | 2009 | 5,386,406 | | 2008 | 5,379,233 | | 2007 | 5,374,622 | | 2006 | 5,373,054 | | 2005 | 5,372,807 | | 2004 | 5,372,280 | | 2003 | 5,373,374 | | 2002 | 5,376,912 | | 2001 | 5,378,867 | | 2000 | 5,388,720 | | 1999 | 5,396,020 | | 1998 | 5,390,516 | | 1997 | 5,383,291 | | 1996 | 5,373,361 | | 1995 | 5,361,999 | | 1994 | 5,346,331 | | 1993 | 5,325,305 | | 1992 | 5,305,016 | | 1991 | 5,303,294 | | 1990 | 5,299,187 | | 1989 | 5,275,942 | | 1988 | 5,250,596 | | 1987 | 5,222,840 | | 1986 | 5,193,838 | | 1985 | 5,161,768 | | 1984 | 5,127,097 | | 1983 | 5,091,971 | | 1982 | 5,055,099 | | 1981 | 5,016,105 | | 1980 | 4,979,815 | | 1979 | 4,938,973 | | 1978 | 4,890,125 | | 1977 | 4,840,501 | | 1976 | 4,789,507 | | 1975 | 4,739,105 | | 1974 | 4,689,623 | | 1973 | 4,641,445 | | 1972 | 4,596,622 | | 1971 | 4,557,449 | | 1970 | 4,538,223 | | 1969 | 4,518,607 | | 1968 | 4,483,915 | | 1967 | 4,449,367 | | 1966 | 4,411,666 | | 1965 | 4,370,983 | | 1964 | 4,327,341 | | 1963 | 4,282,017 | | 1962 | 4,238,188 | | 1961 | 4,191,667 | | 1960 | 4,068,095 |
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