| Year | Value | | 2021 | 1,366,615,021.7903 | | 2020 | 1,246,308,827.5217 | | 2019 | 1,625,946,752.9746 | | 2018 | 1,618,635,196.0258 | | 2017 | 1,501,396,916.3189 | | 2016 | 1,419,675,223.536 | | 2015 | 1,324,575,104.8791 | | 2014 | 1,365,613,966.3351 | | 2013 | 1,283,388,999.1874 | | 2012 | 1,310,493,042.8501 | | 2011 | 1,334,842,485.9817 | | 2010 | 1,219,395,050.4403 | | 2009 | 1,203,744,310.8122 | | 2008 | 1,224,664,336.2857 | | 2007 | 1,146,578,929.6533 | | 2006 | 1,085,435,460.8823 | | 2005 | 986,478,250.05669 | | 2004 | 931,277,093.09365 | | 2003 | 872,657,610.5839 | | 2002 | 800,196,844.44083 | | 2001 | 786,308,396.53921 | | 2000 | 839,722,306.74792 | | 1999 | 786,499,924.11144 | | 1998 | 748,975,738.77998 | | 1997 | 692,059,408.91223 | | 1996 | 683,869,202.21858 | | 1995 | 652,520,922.7368 | | 1994 | 611,366,526.25238 | | 1993 | 585,695,242.79791 | | 1992 | 581,481,203.5412 | | 1991 | 522,180,432.12246 | | 1990 | 493,244,345.42987 | | 1989 | 432,826,236.99292 | | 1988 | 380,250,853.32713 | | 1987 | 334,341,604.05157 | | 1986 | 302,364,060.9654 | | 1985 | 251,207,346.68911 | | 1984 | 223,213,127.46554 | | 1983 | 173,350,169.72484 | | 1982 | 160,431,939.05421 | | 1981 | 171,489,432.72145 | | 1980 | 151,606,218.4885 |
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