| Year | Value | | 2022 | 5,637,022 | | 2021 | 5,453,566 | | 2020 | 5,685,807 | | 2019 | 5,703,569 | | 2018 | 5,638,676 | | 2017 | 5,612,253 | | 2016 | 5,607,283 | | 2015 | 5,535,002 | | 2014 | 5,469,724 | | 2013 | 5,399,162 | | 2012 | 5,312,437 | | 2011 | 5,183,688 | | 2010 | 5,076,732 | | 2009 | 4,987,573 | | 2008 | 4,839,396 | | 2007 | 4,588,599 | | 2006 | 4,401,365 | | 2005 | 4,265,762 | | 2004 | 4,166,664 | | 2003 | 4,114,826 | | 2002 | 4,175,950 | | 2001 | 4,138,012 | | 2000 | 4,027,887 | | 1999 | 3,958,723 | | 1998 | 3,927,213 | | 1997 | 3,796,038 | | 1996 | 3,670,704 | | 1995 | 3,524,506 | | 1994 | 3,419,048 | | 1993 | 3,313,471 | | 1992 | 3,230,698 | | 1991 | 3,135,083 | | 1990 | 3,047,132 | | 1989 | 2,930,901 | | 1988 | 2,846,108 | | 1987 | 2,774,789 | | 1986 | 2,733,373 | | 1985 | 2,735,957 | | 1984 | 2,732,221 | | 1983 | 2,681,061 | | 1982 | 2,646,466 | | 1981 | 2,532,835 | | 1980 | 2,413,945 | | 1979 | 2,383,500 | | 1978 | 2,353,600 | | 1977 | 2,325,300 | | 1976 | 2,293,300 | | 1975 | 2,262,600 | | 1974 | 2,229,800 | | 1973 | 2,193,000 | | 1972 | 2,152,400 | | 1971 | 2,112,900 | | 1970 | 2,074,507 | | 1969 | 2,042,500 | | 1968 | 2,012,000 | | 1967 | 1,977,600 | | 1966 | 1,934,400 | | 1965 | 1,886,900 | | 1964 | 1,841,600 | | 1963 | 1,795,000 | | 1962 | 1,750,200 | | 1961 | 1,702,400 | | 1960 | 1,646,400 |
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