| Year | Value | | 2021 | 1,935,667,027.2292 | | 2020 | 1,933,016,759.246 | | 2019 | 2,876,593,588.1887 | | 2018 | 2,789,880,132.5595 | | 2017 | 2,145,542,435.1841 | | 2016 | 2,311,942,541.4204 | | 2015 | 4,212,584,420.2941 | | 2014 | 3,897,502,195.3068 | | 2013 | 3,500,942,730.8667 | | 2012 | 2,998,018,110.8821 | | 2011 | 2,502,094,727.3532 | | 2010 | 3,006,908,029.1237 | | 2009 | 3,109,725,335.4377 | | 2008 | 2,708,603,912.7556 | | 2007 | 2,298,809,731.106 | | 2006 | 2,021,119,225.2348 | | 2005 | 1,370,841,045.7262 | | 2004 | 1,158,920,022.8139 | | 2003 | 1,013,196,287.3253 | | 2002 | 862,628,349.53201 | | 2001 | 572,817,788.42752 | | 2000 | 722,835,391.00096 | | 1999 | 717,972,319.86928 | | 1998 | 938,763,714.46158 | | 1997 | 763,649,088.83967 | | 1996 | 725,004,169.0368 | | 1995 | 598,542,194.33447 | | 1994 | 510,197,807.88789 | | 1993 | 340,286,399.52377 | | 1992 | 322,002,451.92155 | | 1991 | 365,127,882.67277 | | 1990 | 313,211,425.05376 | | 1989 | 454,138,821.52396 | | 1988 | 1,006,695,561.9112 | | 1987 | 839,240,594.28297 | | 1986 | 769,716,428.90519 | | 1985 | 750,068,005.96064 | | 1984 | 757,809,395.06263 | | 1983 | 758,720,031.33261 | | 1982 | 805,771,667.44337 | | 1981 | 782,814,460.33445 | | 1980 | 662,642,441.1127 |
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