Year current US$ 1990 7042406043.676993 1991 7483988132.031154 1992 7934616379.86803 1993 9353512532.208948 1994 10853544904.496382 1995 13767526797.38562 1996 15037825095.057034 1997 14558342585.249802 1998 15945858597.158518 1999 16578704718.918182 2000 15959650783.976505 2001 17205124726.696476 2002 19755725282.73925 2003 25423178211.12622 2004 32152251494.184254 2005 34528227625.03967 2006 38855464871.61877 2007 46934802523.36093 2008 56318853781.42342 2009 53346522245.93746 2010 51640130915.7501 2011 55240068537.6363 2012 52946335171.05821 2013 54806601113.1229 2014 55802389456.33863 2015 47838122821.92849 2016 49430321451.0865 2017 53520378666.21892 2018 59576602976.91212 2019 59584057651.701866 2020 61412098398.109116 2021 67335286409.80512 2022 71378212449.57616 2023 78258745894.99747