| Year | Value | | 2022 | 5,043,612 | | 2021 | 4,922,749 | | 2020 | 4,803,269 | | 2019 | 4,685,306 | | 2018 | 4,569,087 | | 2017 | 4,454,805 | | 2016 | 4,367,088 | | 2015 | 4,270,092 | | 2014 | 4,173,398 | | 2013 | 4,076,708 | | 2012 | 3,979,998 | | 2011 | 3,882,986 | | 2010 | 3,786,161 | | 2009 | 3,689,099 | | 2008 | 3,591,977 | | 2007 | 3,494,496 | | 2006 | 3,406,334 | | 2005 | 3,320,396 | | 2004 | 3,236,626 | | 2003 | 3,154,969 | | 2002 | 3,075,373 | | 2001 | 2,997,784 | | 2000 | 2,922,153 | | 1999 | 2,848,431 | | 1998 | 2,776,568 | | 1997 | 2,706,518 | | 1996 | 2,587,997 | | 1995 | 2,474,666 | | 1994 | 2,366,298 | | 1993 | 2,262,676 | | 1992 | 2,163,591 | | 1991 | 2,068,845 | | 1990 | 1,978,248 |
|