| Year | Value | | 2022 | 1,151,388,791 | | 2021 | 1,172,979,916 | | 2020 | 1,146,658,239 | | 2019 | 1,152,184,144 | | 2018 | 1,126,735,061 | | 2017 | 1,132,023,771 | | 2016 | 1,125,754,809 | | 2015 | 1,122,946,321.01 | | 2014 | 1,122,665,815 | | 2013 | 1,122,746,499 | | 2012 | 1,096,316,099 | | 2011 | 1,073,086,778 | | 2010 | 1,070,069,508 | | 2009 | 1,058,756,935 | | 2008 | 1,015,995,638 | | 2007 | 935,574,956 | | 2006 | 829,272,341 | | 2005 | 708,256,883 | | 2004 | 576,329,767 | | 2003 | 473,112,459 | | 2002 | 407,856,144 | | 2001 | 358,720,667 | | 2000 | 290,863,898 | | 1999 | 181,451,835 | | 1998 | 104,327,309 | | 1997 | 61,012,306 | | 1996 | 37,967,085 | | 1995 | 24,086,840 | | 1994 | 15,157,048 | | 1993 | 9,292,868 | | 1992 | 6,253,475 | | 1991 | 4,724,050 | | 1990 | 3,455,438 | | 1989 | 2,495,466 | | 1988 | 1,580,365 | | 1987 | 952,116 | | 1986 | 559,165 | | 1985 | 322,211 | | 1984 | 179,574 | | 1983 | 118,093 | | 1982 | 79,375 | | 1981 | 50,310 | | 1980 | 23,482 |
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