Year current US$ 1995 788423339.740191 1996 834163463.75353 1997 837091907.350939 1998 891478935.34808 1999 807186097.949732 2000 747017741.433164 2001 794942459.817095 2002 929282589.187521 2003 1256121244.95539 2004 1523555324.13628 2005 1670339298.17828 2006 1873581483.15679 2007 2263324660.21664 2008 2896937595.04987 2009 2530802259.44257 2010 2392275791.32972 2011 2571306780.82472 2012 2392480710.66595 2013 2570347024.73679 2014 2781627379.06416 2015 2368922022.66037 2016 2160234580.11944 2017 2080083311.52407 2018 2323341570.80433 2019 2272101067.07601 2020 2145631044.65084 2021 2533646931.99918