| Year | Value | | 2024 | 1,433,006 | | 2023 | 1,389,419 | | 2022 | 1,347,861 | | 2021 | 1,322,472 | | 2020 | 1,311,903 | | 2019 | 1,291,411 | | 2018 | 1,264,501 | | 2017 | 1,237,885 | | 2016 | 1,216,107 | | 2015 | 1,196,720 | | 2014 | 1,182,469 | | 2013 | 1,166,171 | | 2012 | 1,151,467 | | 2011 | 1,142,045 | | 2010 | 1,140,969 | | 2009 | 1,142,027 | | 2008 | 1,143,971 | | 2007 | 1,147,644 | | 2006 | 1,155,171 | | 2005 | 1,170,728 | | 2004 | 1,200,756 | | 2003 | 1,240,880 | | 2002 | 1,281,508 | | 2001 | 1,313,147 | | 2000 | 1,333,062 | | 1999 | 1,338,389 | | 1998 | 1,331,675 | | 1997 | 1,319,069 | | 1996 | 1,301,720 | | 1995 | 1,281,065 | | 1994 | 1,259,764 | | 1993 | 1,235,895 | | 1992 | 1,207,187 | | 1991 | 1,175,485 | | 1990 | 1,143,127 | | 1989 | 1,105,748 | | 1988 | 1,066,455 | | 1987 | 1,040,367 | | 1986 | 1,018,214 | | 1985 | 992,205 | | 1984 | 958,835 | | 1983 | 920,966 | | 1982 | 875,415 | | 1981 | 825,938 | | 1980 | 786,837 | | 1979 | 755,079 | | 1978 | 724,062 | | 1977 | 693,157 | | 1976 | 667,402 | | 1975 | 649,026 |
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