| Year | Value | | 2022 | 5,498,027 | | 2021 | 5,473,258 | | 2020 | 5,437,732 | | 2019 | 5,430,271 | | 2018 | 5,424,120 | | 2017 | 5,425,635 | | 2016 | 5,433,909 | | 2015 | 5,445,951 | | 2014 | 5,460,676 | | 2013 | 5,480,877 | | 2012 | 5,502,221 | | 2011 | 5,516,002 | | 2010 | 5,516,395 | | 2009 | 5,506,976 | | 2008 | 5,494,333 | | 2007 | 5,480,404 | | 2006 | 5,465,459 | | 2005 | 5,451,866 | | 2004 | 5,437,846 | | 2003 | 5,420,513 | | 2002 | 5,394,794 | | 2001 | 5,362,775 | | 2000 | 5,327,445 | | 1999 | 5,292,858 | | 1998 | 5,264,908 | | 1997 | 5,239,826 | | 1996 | 5,217,870 | | 1995 | 5,199,723 | | 1994 | 5,182,987 | | 1993 | 5,169,271 | | 1992 | 5,161,839 | | 1991 | 5,164,058 | | 1990 | 5,174,513 | | 1989 | 5,184,734 | | 1988 | 5,191,233 | | 1987 | 5,196,068 | | 1986 | 5,197,502 | | 1985 | 5,192,964 | | 1984 | 5,179,316 | | 1983 | 5,160,551 | | 1982 | 5,137,744 | | 1981 | 5,107,436 | | 1980 | 5,066,073 | | 1979 | 5,016,286 | | 1978 | 4,968,550 | | 1977 | 4,921,626 | | 1976 | 4,876,172 | | 1975 | 4,746,075 | | 1974 | 4,575,558 | | 1973 | 4,518,842 | | 1972 | 4,524,874 | | 1971 | 4,539,359 | | 1970 | 4,559,110 | | 1969 | 4,593,313 | | 1968 | 4,629,217 | | 1967 | 4,644,514 | | 1966 | 4,670,109 | | 1965 | 4,702,614 | | 1964 | 4,719,825 | | 1963 | 4,715,283 | | 1962 | 4,694,574 | | 1961 | 4,659,032 | | 1960 | 4,620,092 |
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