Year	constant 2010 US$
1995	1803971162.83636
1996	1645838382.40285
1997	1926626958.91941
1998	1560082444.92464
1999	963211380.871553
2000	966780363.743066
2001	916026721.151989
2002	1226136966.2892
2003	1223814660.91518
2004	941406795.43743
2005	1079080740.00654
2006	1183052967.99339
2007	1257725186.50755
2008	1319562053.93763
2009	1353611758.08534
2010	1270395252.76289
2011	1274143807.65282
2012	1282891934.91131
2013	1273409423.90793
2014	1247213572.74273
2015	1230030237.08228
2016	1237958593.45405
2017	1251576138.65488
2018	1251486116.35823