Year	constant 2010 US$
1995	30810930834.3597
1996	32702400993.924
1997	35427871775.196
1998	36508347043.4057
1999	35102203104.2359
2000	36237701921.1136
2001	36751069351.8826
2002	39782608163.3868
2003	41439175651.0333
2004	44131679342.2811
2005	46972379785.0161
2006	49126152699.1503
2007	52225330725.4909
2008	52960795808.7686
2009	48469467313.3223
2010	48039539457.1138
2011	48133577025.6676
2012	47016644802.4101
2013	47558656794.7006
2014	47763615684.4112
2015	49472155231.0056
2016	49638071729.1589
2017	51495762478.8657