Year current US$ 1990 762681680.469666 1991 850918710.610668 1992 895384704.458993 1993 1012670537.20332 1994 1077921712.47726 1995 1168549075.25263 1996 1211625055.35163 1997 1232270558.10399 1998 1277944537.99171 1999 1375880591.90019 2000 1485856981.20234 2001 1526348038.02629 2002 1660587613.95596 2003 1853126192.46746 2004 1974367339.00909 2005 2191447789.56115 2006 2447719303.3905 2007 2646146245.55544 2008 2891766450.47203 2009 3097852342.79596 2010 3263063748.12096 2011 3602970900.97108 2012 4192281421.97456 2013 4493875306.76718 2014 4974517817.77426 2015 5433948566.44514 2016 5563059005.56711 2017 5924622340.22022 2018 6485649290.72362 2019 6983390182.90622 2020 6971768693.2588 2021 7829780721.00525