| Year | Value | | 2024 | 5,084,846 | | 2023 | 4,964,556 | | 2022 | 4,832,047 | | 2021 | 4,704,622 | | 2020 | 4,574,051 | | 2019 | 4,427,613 | | 2018 | 4,275,722 | | 2017 | 4,125,420 | | 2016 | 3,977,660 | | 2015 | 3,831,121 | | 2014 | 3,688,338 | | 2013 | 3,541,552 | | 2012 | 3,383,111 | | 2011 | 3,218,852 | | 2010 | 3,059,947 | | 2009 | 2,911,450 | | 2008 | 2,780,728 | | 2007 | 2,676,228 | | 2006 | 2,593,086 | | 2005 | 2,518,691 | | 2004 | 2,444,422 | | 2003 | 2,372,322 | | 2002 | 2,300,158 | | 2001 | 2,226,970 | | 2000 | 2,152,585 | | 1999 | 2,078,679 | | 1998 | 2,010,521 | | 1997 | 1,951,469 | | 1996 | 1,900,663 | | 1995 | 1,858,614 | | 1994 | 1,823,032 | | 1993 | 1,788,535 | | 1992 | 1,752,226 | | 1991 | 1,712,725 | | 1990 | 1,670,483 | | 1989 | 1,625,955 | | 1988 | 1,578,197 | | 1987 | 1,526,978 | | 1986 | 1,473,632 | | 1985 | 1,419,053 | | 1984 | 1,363,492 | | 1983 | 1,308,916 | | 1982 | 1,258,480 | | 1981 | 1,214,434 | | 1980 | 1,177,337 | | 1979 | 1,145,992 | | 1978 | 1,118,492 | | 1977 | 1,093,302 | | 1976 | 1,069,177 | | 1975 | 1,044,529 |
|