Year current US$ 1980 70473690.3088071 1981 79627813.5189682 1982 86323134.1856611 1983 94558004.8120049 1984 102814035.053727 1985 112269724.100052 1986 127438818.053778 1987 143875170.568074 1988 163283221.89723 1989 173708615.876389 1990 187631349.381327 1991 201121247.410389 1992 214982298.099022 1993 227137362.567158 1994 240439243.649187 1995 248651266.601478 1996 260451220.226514 1997 271194257.757518 1998 289276005.19451 1999 288000489.835785 2000 276914806.72991 2001 292795325.56233 2002 282400117.197178 2003 293137328.131008 2004 307414667.41704 2005 307524017.126538 2006 342604086.978634 2007 364458896.132229 2008 396627489.268325 2009 413186516.347987 2010 415809527.022321 2011 406525709.213887 2012 396572253.082235 2013 399740066.22414 2014 428969515.112419 2015 445063829.46399 2016 480482604.768214 2017 452686395.980711 2018 477321052.120349 2019 515026502.569222 2020 437053319.74212 2021 472053855.873865