Year	constant 2010 US$
1976	2540841579.39789
1977	2543773463.83557
1978	2596774098.47021
1979	2616346749.52381
1980	2276018774.51539
1981	2272440787.5944
1982	2377020560.08297
1983	2484183639.11554
1984	2624477801.16976
1985	2813965683.69366
1986	3273845374.41685
1987	3835367895.17359
1988	4013349569.46113
1989	4159677995.37534
1990	4320089577.55948
1991	4651185915.1449
1992	4929786761.8145
1993	5062659710.04179
1994	5142604940.16622
1995	5418270597.25853
1996	5695755275.84269
1997	5774059188.31011
1998	6225235130.25956
1999	6336882862.26423
2000	6721774538.62391
2001	7125760838.47029
2002	7421345094.89705
2003	7452562348.16487
2004	7849578481.85645
2005	7685380358.55435
2006	8635091471.04765
2007	9370206588.55021
2008	9134557059.92037
2009	8867202867.4312
2010	8843103204.67946
2011	9580132144.8592
2012	9632937524.60519
2013	9712263317.62947
2014	9605422316.61994
2015	9969338145.66303
2016	10276648153.9374
2017	10660688125.9365