Year	constant 2010 US$
1996	728668816.223906
1997	578429369.471186
1998	751787192.323226
1999	1135130265.21234
2000	1489415379.21539
2001	1962232167.21554
2002	2176377125.06287
2003	2374563203.9074
2004	2719478976.03973
2005	2984600353.15797
2006	3279969605.57918
2007	3476325812.95909
2008	3667952352.56436
2009	3704379793.79698
2010	3390651686.9932
2011	3592168479.95505
2012	3309886815.39865
2013	3244487879.12608
2014	3096939955.58822
2015	3205343171.40097
2016	3283154506.02484
2017	3464148748.65783
2018	3560180360.29726