Year	constant 2010 US$
1970	528635765.818396
1971	601289529.241724
1972	633905242.798518
1973	691075088.458322
1974	730766895.666003
1975	832405200.899292
1976	814762890.708227
1977	822988679.068791
1978	833910798.260362
1979	859819948.538685
1980	966859382.514702
1981	1108421529.27317
1982	1121418524.0977
1983	1134901954.65406
1984	1204831833.57637
1985	1250524065.09093
1986	1403894314.43747
1987	1608955404.30484
1988	1714660903.52551
1989	1936042557.27555
1990	2342959992.34362
1991	2384204905.92267
1992	2461124288.65669
1993	2537569618.60234
1994	2598488825.04525
1995	2723882841.3067
1996	2828535881.09833
1997	2916299843.75492
1998	2992241440.74721
1999	3080538751.69001
2000	3134761586.47074
2001	3167825951.57376
2002	3306579867.18493
2003	3434882228.42243
2004	3559359414.14342
2005	3772877432.00497
2006	3998954542.31774
2007	4176323195.41783
2008	4210638536.03824
2009	4276537086.12669
2010	4438778424.30203
2011	4538527974.08081
2012	4752652120.81667
2013	5057821995.48748
2014	5155489045.37073
2015	5175653650.92985
2016	5342437662.18855
2017	5442504422.78282
2018	5476468048.90968