| Year | Value | | 2024 | 8,048,069 | | 2023 | 8,107,738 | | 2022 | 8,192,576 | | 2021 | 8,292,701 | | 2020 | 8,384,907 | | 2019 | 8,461,134 | | 2018 | 8,527,532 | | 2017 | 8,575,070 | | 2016 | 8,584,561 | | 2015 | 8,557,883 | | 2014 | 8,498,183 | | 2013 | 8,402,375 | | 2012 | 8,276,153 | | 2011 | 8,130,066 | | 2010 | 7,972,334 | | 2009 | 7,807,496 | | 2008 | 7,644,456 | | 2007 | 7,488,946 | | 2006 | 7,340,613 | | 2005 | 7,201,747 | | 2004 | 7,073,165 | | 2003 | 6,950,642 | | 2002 | 6,841,254 | | 2001 | 6,759,068 | | 2000 | 6,703,673 | | 1999 | 6,667,816 | | 1998 | 6,639,430 | | 1997 | 6,603,265 | | 1996 | 6,544,845 | | 1995 | 6,458,252 | | 1994 | 6,346,145 | | 1993 | 6,211,843 | | 1992 | 6,059,507 | | 1991 | 5,898,848 | | 1990 | 5,733,650 | | 1989 | 5,563,540 | | 1988 | 5,392,972 | | 1987 | 5,223,750 | | 1986 | 5,056,830 | | 1985 | 4,890,651 | | 1984 | 4,729,422 | | 1983 | 4,562,820 | | 1982 | 4,380,861 | | 1981 | 4,189,761 | | 1980 | 4,003,020 | | 1979 | 3,828,301 | | 1978 | 3,674,897 | | 1977 | 3,553,471 | | 1976 | 3,458,390 | | 1975 | 3,373,639 |
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