| Year | Value | | 2024 | 5,724,442 | | 2023 | 5,697,406 | | 2022 | 5,663,915 | | 2021 | 5,621,080 | | 2020 | 5,554,651 | | 2019 | 5,452,536 | | 2018 | 5,325,954 | | 2017 | 5,185,283 | | 2016 | 5,038,345 | | 2015 | 4,886,852 | | 2014 | 4,731,135 | | 2013 | 4,574,389 | | 2012 | 4,418,722 | | 2011 | 4,264,844 | | 2010 | 4,112,203 | | 2009 | 3,964,392 | | 2008 | 3,812,043 | | 2007 | 3,647,022 | | 2006 | 3,475,807 | | 2005 | 3,310,817 | | 2004 | 3,157,439 | | 2003 | 3,023,346 | | 2002 | 2,917,712 | | 2001 | 2,834,992 | | 2000 | 2,760,949 | | 1999 | 2,686,073 | | 1998 | 2,612,382 | | 1997 | 2,537,217 | | 1996 | 2,459,826 | | 1995 | 2,380,521 | | 1994 | 2,301,537 | | 1993 | 2,228,998 | | 1992 | 2,166,260 | | 1991 | 2,112,290 | | 1990 | 2,067,593 | | 1989 | 2,029,330 | | 1988 | 1,991,621 | | 1987 | 1,951,697 | | 1986 | 1,908,269 | | 1985 | 1,861,886 | | 1984 | 1,813,329 | | 1983 | 1,761,553 | | 1982 | 1,706,045 | | 1981 | 1,647,971 | | 1980 | 1,588,274 | | 1979 | 1,527,344 | | 1978 | 1,467,436 | | 1977 | 1,412,137 | | 1976 | 1,364,068 | | 1975 | 1,323,891 |
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