Year	constant 2010 US$
1970	2112973807.82938
1971	2294323647.90602
1972	2405307399.08104
1973	2488173516.75338
1974	2512115388.40213
1975	2749570757.45106
1976	2899342317.35097
1977	3153949827.00705
1978	3362355144.21627
1979	3392702254.45622
1980	3227483176.49302
1981	3871374429.7217
1982	4229566437.56917
1983	4446671500.08869
1984	4743785868.10787
1985	4858017362.51803
1986	4931781321.62609
1987	4848954479.48734
1988	4874409317.66086
1989	4628371922.59221
1990	4462639472.62713
1991	4305260725.25004
1992	4050554356.88909
1993	3040949933.0721
1994	3318273886.49798
1995	3462019030.34781
1996	4314087102.55262
1997	4102229773.10046
1998	4338469659.65069
1999	4894717062.2481
2000	5583605575.45902
2001	5382693304.97089
2002	5178204926.10837
2003	5477622727.27273
2004	6520762703.38857
2005	9618106023.28706
2006	9745437154.79922
2007	11089945536.6473
2008	12373334975.3695
2009	12759121212.1212
2010	14519000000
2011	15311162188.3863
2012	15378349679.0566
2013	15646015972.5332
2014	15201711598.7461
2015	15186540229.8851
2016	12189111210.6285
2017	12189111210.6285