| Year | Value | | 2024 | 3,303,151 | | 2023 | 3,226,837 | | 2022 | 3,143,678 | | 2021 | 3,059,985 | | 2020 | 2,973,821 | | 2019 | 2,883,774 | | 2018 | 2,790,865 | | 2017 | 2,695,300 | | 2016 | 2,596,711 | | 2015 | 2,504,915 | | 2014 | 2,428,972 | | 2013 | 2,365,387 | | 2012 | 2,312,454 | | 2011 | 2,272,065 | | 2010 | 2,233,487 | | 2009 | 2,187,120 | | 2008 | 2,138,999 | | 2007 | 2,090,666 | | 2006 | 2,041,084 | | 2005 | 1,994,733 | | 2004 | 1,953,041 | | 2003 | 1,912,649 | | 2002 | 1,874,250 | | 2001 | 1,837,965 | | 2000 | 1,808,770 | | 1999 | 1,789,291 | | 1998 | 1,774,468 | | 1997 | 1,761,254 | | 1996 | 1,747,239 | | 1995 | 1,723,597 | | 1994 | 1,686,598 | | 1993 | 1,643,516 | | 1992 | 1,596,588 | | 1991 | 1,547,755 | | 1990 | 1,498,338 | | 1989 | 1,448,510 | | 1988 | 1,398,195 | | 1987 | 1,347,531 | | 1986 | 1,296,649 | | 1985 | 1,245,846 | | 1984 | 1,195,753 | | 1983 | 1,145,066 | | 1982 | 1,094,555 | | 1981 | 1,046,061 | | 1980 | 999,365 | | 1979 | 954,871 | | 1978 | 914,543 | | 1977 | 878,443 | | 1976 | 844,825 | | 1975 | 813,435 |
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