Year	constant 2010 US$
1993	509.987455441144
1994	321.281232629098
1995	341.891413632537
1996	351.282131241205
1997	355.14860588323
1998	362.099750212473
1999	398.28818636601
2000	431.202289963378
2001	453.969017741301
2002	474.941032111551
2003	506.583017849236
2004	549.969766152318
2005	613.133329407254
2006	668.876489417057
2007	726.286982617308
2008	763.508498039057
2009	752.796480639033
2010	785.502282874113
2011	827.777013823179
2012	873.949283306707
2013	922.890205656967
2014	972.742728302532
2015	1024.62136452219
2016	1079.63053900011
2017	1137.82139678947
2018	1205.29294954775