| Year | Value | | 2024 | 6,636,012 | | 2023 | 6,420,625 | | 2022 | 6,219,612 | | 2021 | 5,982,278 | | 2020 | 5,746,465 | | 2019 | 5,525,756 | | 2018 | 5,323,482 | | 2017 | 5,140,153 | | 2016 | 4,975,772 | | 2015 | 4,832,491 | | 2014 | 4,711,559 | | 2013 | 4,610,814 | | 2012 | 4,531,324 | | 2011 | 4,453,416 | | 2010 | 4,371,391 | | 2009 | 4,298,669 | | 2008 | 4,236,512 | | 2007 | 4,184,062 | | 2006 | 4,127,578 | | 2005 | 4,075,625 | | 2004 | 4,034,722 | | 2003 | 3,987,779 | | 2002 | 3,936,125 | | 2001 | 3,890,859 | | 2000 | 3,852,926 | | 1999 | 3,801,789 | | 1998 | 3,721,363 | | 1997 | 3,626,972 | | 1996 | 3,534,623 | | 1995 | 3,449,315 | | 1994 | 3,388,279 | | 1993 | 3,353,148 | | 1992 | 3,271,540 | | 1991 | 3,137,633 | | 1990 | 2,999,828 | | 1989 | 2,852,070 | | 1988 | 2,697,162 | | 1987 | 2,536,849 | | 1986 | 2,378,277 | | 1985 | 2,226,972 | | 1984 | 2,083,851 | | 1983 | 1,951,500 | | 1982 | 1,828,878 | | 1981 | 1,715,889 | | 1980 | 1,572,412 | | 1979 | 1,449,270 | | 1978 | 1,393,121 | | 1977 | 1,341,029 | | 1976 | 1,276,682 |
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