| Year | Value | | 2024 | 3,139,596 | | 2023 | 3,067,443 | | 2022 | 2,988,832 | | 2021 | 2,909,776 | | 2020 | 2,828,503 | | 2019 | 2,743,559 | | 2018 | 2,655,866 | | 2017 | 2,565,569 | | 2016 | 2,472,097 | | 2015 | 2,384,766 | | 2014 | 2,312,265 | | 2013 | 2,251,433 | | 2012 | 2,200,902 | | 2011 | 2,162,627 | | 2010 | 2,126,323 | | 2009 | 2,082,460 | | 2008 | 2,036,441 | | 2007 | 1,989,707 | | 2006 | 1,941,628 | | 2005 | 1,896,705 | | 2004 | 1,856,505 | | 2003 | 1,818,163 | | 2002 | 1,782,368 | | 2001 | 1,748,836 | | 2000 | 1,722,001 | | 1999 | 1,704,386 | | 1998 | 1,691,098 | | 1997 | 1,679,250 | | 1996 | 1,666,523 | | 1995 | 1,644,478 | | 1994 | 1,609,636 | | 1993 | 1,569,181 | | 1992 | 1,525,392 | | 1991 | 1,479,704 | | 1990 | 1,433,045 | | 1989 | 1,385,509 | | 1988 | 1,337,066 | | 1987 | 1,287,874 | | 1986 | 1,238,256 | | 1985 | 1,188,769 | | 1984 | 1,140,149 | | 1983 | 1,091,419 | | 1982 | 1,043,473 | | 1981 | 998,018 | | 1980 | 954,606 | | 1979 | 913,429 | | 1978 | 876,174 | | 1977 | 842,792 | | 1976 | 811,675 | | 1975 | 782,581 |
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