Year | Value | 2022 | 552,315,605 | 2021 | 548,154,681 | 2020 | 540,498,081 | 2019 | 541,625,785 | 2018 | 541,481,791 | 2017 | 543,420,112 | 2016 | 541,111,977 | 2015 | 538,923,243.01 | 2014 | 546,079,631 | 2013 | 551,669,459 | 2012 | 545,032,432 | 2011 | 535,242,039 | 2010 | 520,322,138 | 2009 | 530,575,130 | 2008 | 530,556,262 | 2007 | 502,825,658 | 2006 | 453,810,953 | 2005 | 410,555,192 | 2004 | 365,645,778 | 2003 | 329,629,026 | 2002 | 298,927,529 | 2001 | 270,663,803 | 2000 | 217,806,189 | 1999 | 137,859,052 | 1998 | 80,898,127 | 1997 | 47,078,342 | 1996 | 27,628,034 | 1995 | 16,329,003 | 1994 | 10,062,844 | 1993 | 6,283,304 | 1992 | 4,165,791 | 1991 | 2,994,904 | 1990 | 1,977,744 | 1989 | 1,256,581 | 1988 | 821,039 | 1987 | 526,503 | 1986 | 339,097 | 1985 | 209,136 | 1984 | 140,524 | 1983 | 94,620 | 1982 | 68,316 | 1981 | 48,640 | 1980 | 23,482 |
|