Year	constant 2010 US$
1998	583615084.525357
1999	628608582.574772
2000	631469440.83225
2001	665279583.875163
2002	671781534.460338
2003	657997399.219766
2004	684005201.560468
2005	665799739.921977
2006	647074122.236671
2007	673081924.577373
2008	703511053.315995
2009	740442132.639792
2010	810577633.289987
2011	806631989.596879
2012	827490247.074122
2013	947906371.911574
2014	964889466.840052
2015	1279583875.16255
2016	1385695708.71261
2017	1510793237.97139
2018	1648374512.35371