| Year | Value | | 2021 | 1,188,775,714.1345 | | 2020 | 1,122,605,544.4486 | | 2019 | 1,103,957,425.1853 | | 2018 | 1,096,244,069.8273 | | 2017 | 982,786,891.58314 | | 2016 | 920,866,430.12497 | | 2015 | 876,930,850.37228 | | 2014 | 1,047,896,914.1596 | | 2013 | 1,015,709,608.4119 | | 2012 | 923,387,919.51102 | | 2011 | 934,921,414.7069 | | 2010 | 832,950,009.99479 | | 2009 | 834,674,395.16009 | | 2008 | 842,715,640.68363 | | 2007 | 734,204,557.63854 | | 2006 | 647,706,322.14653 | | 2005 | 605,242,953.16991 | | 2004 | 584,414,887.40759 | | 2003 | 502,478,440.51098 | | 2002 | 392,818,847.6619 | | 2001 | 350,542,818.85725 | | 2000 | 324,392,497.12997 | | 1999 | 351,728,560.29433 | | 1998 | 337,732,845.01626 | | 1997 | 333,400,656.93288 | | 1996 | 362,613,011.52475 | | 1995 | 365,525,823.22683 | | 1994 | 297,735,639.89218 | | 1993 | 425,657,323.55903 | | 1992 | 431,504,739.86452 | | 1991 | 397,105,087.3155 | | 1990 | 401,750,024.92327 | | 1989 | 321,749,017.30178 | | 1988 | 332,238,469.13885 | | 1987 | 315,660,022.12334 | | 1986 | 259,458,825.88542 | | 1985 | 182,721,300.33773 | | 1984 | 173,372,095.54951 | | 1983 | 179,290,547.36481 | | 1982 | 172,294,116.93279 | | 1981 | 184,659,690.49469 | | 1980 | 199,823,141.93079 |
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