Year	current US$
1995	2363367614.968839
1996	2502735638.775141
1997	2553771816.507026
1998	2555734746.419791
1999	2681362260.8367395
2000	2510587358.4262004
2001	2824656144.4685707
2002	3268278304.753419
2003	2999356906.704639
2004	3647747296.8304944
2005	4350537787.715209
2006	4806878601.533654
2007	6001613443.542295
2008	7047339040.2224655
2009	6026891797.66052
2010	6628250537.736138
2011	6052557415.913985
2012	7172379113.711752
2013	6455272781.484104
2014	6861852334.985651
2015	5823692892.549663
2016	5468429205.024039
2017	6241142027.473088
2018	6588532578.420268
2019	6557745043.00709
