Year	current US$
1995	61534654500.31626
1996	66452349689.9274
1997	67977383695.38593
1998	68023438833.39094
1999	69050574920.0431
2000	68882837840.17738
2001	65091503985.340065
2002	64703039911.887924
2003	68004985684.10069
2004	83039304068.49168
2005	92248096223.8893
2006	99430260213.009
2007	111782911285.205
2008	123869624425.11389
2009	107197634395.62053
2010	122469001677.03784
2011	137911389388.92316
2012	141829984538.7157
2013	143831562704.27145
2014	146404051715.1517
2015	131290247790.49673
2016	131838736446.09145
2017	139957580154.6733
2018	151082391779.70026
2019	148892205584.79782