| Year | Value | | 2021 | 1,607,615,265.6576 | | 2020 | 1,434,283,006.0527 | | 2019 | 1,426,013,119.7609 | | 2018 | 1,319,553,048.9412 | | 2017 | 1,108,628,008.8881 | | 2016 | 1,083,014,873.0816 | | 2015 | 1,018,306,624.7577 | | 2014 | 914,077,402.16317 | | 2013 | 1,011,544,027.7671 | | 2012 | 1,037,438,006.4613 | | 2011 | 1,055,568,112.1236 | | 2010 | 1,216,225,062.8855 | | 2009 | 1,147,618,774.7663 | | 2008 | 1,251,056,112.6969 | | 2007 | 1,036,046,978.8348 | | 2006 | 855,406,939.12006 | | 2005 | 845,070,820.10453 | | 2004 | 790,777,010.59619 | | 2003 | 367,734,803.5966 | | 2002 | 447,238,569.63359 | | 2001 | 551,749,576.94326 | | 2000 | 635,584,982.32128 | | 1999 | 665,079,522.37323 | | 1998 | 684,765,427.44638 | | 1997 | 657,613,030.86722 | | 1996 | 705,909,097.73937 | | 1995 | 654,397,868.29477 | | 1994 | 624,914,391.11022 | | 1993 | 634,922,763.4171 | | 1992 | 602,033,397.28837 | | 1991 | 585,743,625.57286 | | 1990 | 246,380,891.09999 | | 1989 | 229,850,136.72822 | | 1988 | 236,993,805.55128 | | 1987 | 220,824,238.30147 | | 1986 | 189,209,449.78164 | | 1985 | 223,179,326.58273 | | 1984 | 155,144,456.5439 | | 1983 | 171,028,762.56789 | | 1982 | 181,376,944.50293 | | 1981 | 183,046,872.11163 | | 1980 | 206,343,763.18844 |
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