Year	constant 2010 US$
1971	113239894.904994
1972	125188951.145511
1973	133726721.289954
1974	133726721.289954
1975	132869135.547745
1976	141387862.053364
1977	190784983.432967
1978	204049043.297759
1979	209175527.346129
1980	193460197.818574
1981	194386864.724548
1982	204487364.605245
1983	206774268.740429
1984	205630829.906777
1985	202962775.082396
1986	293486043.915839
1987	485967168.42834
1988	598406634.975474
1989	653673498.143018
1990	785361054.643706
1991	795652123.252032
1992	817568307.731784
1993	825000726.320222
1994	861210055.027902
1995	895323035.094089
1996	917239206.339901
1997	967741666.04157
1998	982987720.07734
1999	995375097.625342
2000	1010049405.77641
2001	1017780474.67571
2002	1080632118.77621
2003	1116881930.10458
2004	1114382475.66839
2005	1147005168.5827
2006	1299472947.90526
2007	1414565051.73735
2008	1357340412.50797
2009	1300979473.1008
2010	1443867508.05879
2011	1467893830.94491
2012	1493673650.804
2013	1539517485.91757
2014	1605934803.25141
2015	1630030524.91584
2016	1648633380.9191
2017	1737560411.68168
2018	1739837787.38048