Year | Value | 2021 | 966,468,684.93293 | 2020 | 910,108,148.86469 | 2019 | 938,177,823.75332 | 2018 | 864,311,748.40573 | 2017 | 805,578,162.11038 | 2016 | 733,375,350.3559 | 2015 | 683,379,604.75955 | 2014 | 721,210,850.26218 | 2013 | 697,558,736.83309 | 2012 | 645,007,349.82946 | 2011 | 682,804,042.60857 | 2010 | 588,485,884.19492 | 2009 | 519,903,681.80029 | 2008 | 541,308,712.72881 | 2007 | 450,307,075.27053 | 2006 | 385,120,743.8883 | 2005 | 337,317,714.15114 | 2004 | 316,684,470.76929 | 2003 | 274,343,667.37629 | 2002 | 230,611,115.8204 | 2001 | 233,679,912.99872 | 2000 | 236,652,269.6413 | 1999 | 241,252,031.11077 | 1998 | 233,039,473.9207 | 1997 | 220,565,220.57389 | 1996 | 207,953,360.15239 | 1995 | 191,830,336.74215 | 1994 | 178,363,619.72009 | 1993 | 156,449,188.49976 | 1992 | 162,854,744.37971 | 1991 | 161,354,782.89207 | 1990 | 154,060,468.00231 | 1989 | 135,960,738.74235 | 1988 | 128,824,079.60928 | 1987 | 107,931,839.94578 | 1986 | 109,791,232.20989 | 1985 | 109,864,814.09562 | 1984 | 117,243,003.67556 | 1983 | 93,244,292.376862 | 1982 | 85,893,996.300279 | 1981 | 89,779,126.173683 | 1980 | 95,645,204.576455 |
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