Year	constant 2010 US$
1990	65964191397.4187
1991	63851919658.076
1992	63404529092.0637
1993	55988482204.0179
1994	44675803934.2461
1995	38391281268.3596
1996	35819065422.9456
1997	36177256077.4324
1998	35164292907.1957
1999	35656593007.9038
2000	36761947391.7261
2001	40401380183.5695
2002	40724591224.7929
2003	45326470032.6123
2004	51354890547.0012
2005	56849863835.9998
2006	63439368388.257
2007	70658237666.7689
2008	75261175174.6163
2009	75679519554.3373
2010	83191990091.9548
2011	93113589977.5749
2012	103017220269.551
2013	112430887825.611
2014	115414781693.157
2015	117626912624.474
2016	119289373306.896
2017	120907703369.898