Year constant 2015 US$ 1991 565475534067.8042 1992 563851036753.8456 1993 578371464651.3444 1994 588564021891.7054 1995 611713742028.2704 1996 634911795169.1796 1997 657278373252.0245 1998 679313136170.6436 1999 699254958204.2081 2000 714478804856.8071 2001 742884956736.3392 2002 765812179370.6173 2003 798886631974.94 2004 841835981502.631 2005 885581944693.1061 2006 945453273118.7792 2007 997335112994.535 2008 1033337797923.6123 2009 1060239614992.928 2010 1119510210068.8374 2011 1164249718285.1826 2012 1219424928063.9634 2013 1284294364684.3506 2014 1324345715085.8853 2015 1375435909014.398 2016 1405081358915.329 2017 1441119859525.1401 2018 1480812536216.8923 2019 1526696082017.745 2020 1504675846130.1157 2021 1578448111870.877 2022 1635246436126.7559 2023 1670523177109.1436