Year current US$ 1995 1091894143.8324337 1996 1167723088.7301662 1997 1248657374.4233212 1998 1296525968.7119803 1999 1440706700.376895 2000 1415392526.115116 2001 1443570325.2567644 2002 1641807095.2299309 2003 1549015415.9533005 2004 1680373821.5325727 2005 2242789862.1243873 2006 3113600178.3432403 2007 3401120121.5954227 2008 3626953267.4452252 2009 3245023667.679052 2010 4225648588.864209 2011 3808367452.5695863 2012 2927148795.3257866 2013 2747772160.2545166 2014 3108668547.3584857 2015 2837591320.0048394 2016 2782438671.2673817 2017 2622573944.2171803 2018 3248910714.2649994 2019 3291898240.3664713