Year current US$ 1993 2728885948.6636677 1994 3259065901.4446864 1995 3295549960.6608973 1996 3431489140.330342 1997 4158018485.1217313 1998 4721055734.786962 1999 4274527257.2402043 2000 3688782825.0253386 2001 4078345716.587593 2002 4815881134.030329 2003 6478792908.762421 2004 8368396273.291925 2005 9945822658.873274 2006 12490779074.14377 2007 16026215439.364904 2008 17111420829.06108 2009 10974937482.634066 2010 13398749270.939034 2011 18754165287.24712 2012 19463182648.54805 2013 20565950337.032215 2014 20874740794.9262 2015 16825097278.59374 2016 17669735695.151016 2017 19319287826.658855 2018 21926196630.092533 2019 21683068196.156826 2020 21857504486.358036 2021 29960816799.088665 2022 32730560810.71219 2023 31690235059.21821