Year current US$ 1993 2215749941.24163 1994 2660229708.26831 1995 2223480373.92237 1996 3226834781.3554296 1997 4024417051.32312 1998 4011748672.89713 1999 3761120067.79857 2000 4451237074.515678 2001 5294974493.832634 2002 5875018487.525728 2003 7596730674.963093 2004 8713232636.361528 2005 9085521481.465797 2006 10269545586.114035 2007 12347255275.432037 2008 14188349788.895632 2009 11435395953.648895 2010 10815219223.556845 2011 12191014777.5613 2012 12254259235.9387 2013 11645761448.6497 2014 12461131517.5328 2015 11686327488.9472 2016 13055768797.5943 2017 14817149164.9734 2018 16270944924.606 2019 17161769315.3407 2020 10285497977.2136 2021 16884884463.4922 2022 20341185689.9486 2023 24216770826.3882