| Year | Value | | 2024 | 2,891,713 | | 2023 | 2,823,010 | | 2022 | 2,754,355 | | 2021 | 2,697,730 | | 2020 | 2,649,433 | | 2019 | 2,588,375 | | 2018 | 2,515,746 | | 2017 | 2,440,580 | | 2016 | 2,362,434 | | 2015 | 2,282,874 | | 2014 | 2,202,321 | | 2013 | 2,122,561 | | 2012 | 2,045,825 | | 2011 | 1,971,123 | | 2010 | 1,899,817 | | 2009 | 1,832,504 | | 2008 | 1,766,942 | | 2007 | 1,704,827 | | 2006 | 1,646,858 | | 2005 | 1,589,718 | | 2004 | 1,532,911 | | 2003 | 1,478,144 | | 2002 | 1,423,925 | | 2001 | 1,370,497 | | 2000 | 1,320,887 | | 1999 | 1,276,916 | | 1998 | 1,237,060 | | 1997 | 1,199,728 | | 1996 | 1,164,966 | | 1995 | 1,130,116 | | 1994 | 1,093,861 | | 1993 | 1,058,278 | | 1992 | 1,023,788 | | 1991 | 990,234 | | 1990 | 957,998 | | 1989 | 922,752 | | 1988 | 884,854 | | 1987 | 849,711 | | 1986 | 818,408 | | 1985 | 790,498 | | 1984 | 764,847 | | 1983 | 740,307 | | 1982 | 715,778 | | 1981 | 690,313 | | 1980 | 667,269 | | 1979 | 646,257 | | 1978 | 624,014 | | 1977 | 602,265 | | 1976 | 582,624 | | 1975 | 565,931 |
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