| Year | Value | | 2024 | 2,045,414 | | 2023 | 1,998,190 | | 2022 | 1,949,160 | | 2021 | 1,901,078 | | 2020 | 1,859,415 | | 2019 | 1,819,604 | | 2018 | 1,778,906 | | 2017 | 1,741,486 | | 2016 | 1,706,119 | | 2015 | 1,677,888 | | 2014 | 1,658,658 | | 2013 | 1,643,421 | | 2012 | 1,629,563 | | 2011 | 1,614,147 | | 2010 | 1,589,766 | | 2009 | 1,553,036 | | 2008 | 1,510,310 | | 2007 | 1,463,886 | | 2006 | 1,415,062 | | 2005 | 1,364,692 | | 2004 | 1,315,151 | | 2003 | 1,266,850 | | 2002 | 1,217,947 | | 2001 | 1,168,613 | | 2000 | 1,119,225 | | 1999 | 1,070,581 | | 1998 | 1,021,782 | | 1997 | 973,500 | | 1996 | 927,737 | | 1995 | 883,789 | | 1994 | 841,581 | | 1993 | 803,109 | | 1992 | 768,369 | | 1991 | 736,023 | | 1990 | 705,898 | | 1989 | 677,724 | | 1988 | 651,195 | | 1987 | 625,571 | | 1986 | 600,296 | | 1985 | 575,505 | | 1984 | 551,591 | | 1983 | 528,521 | | 1982 | 506,151 | | 1981 | 484,941 | | 1980 | 465,179 | | 1979 | 446,780 | | 1978 | 429,675 | | 1977 | 413,649 | | 1976 | 398,342 | | 1975 | 383,680 |
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