Year	constant 2010 US$
1970	12127533855.3047
1971	12376107034.0475
1972	13342478668.1511
1973	13978817769.3184
1974	14142524319.4497
1975	14277624879.4822
1976	15227403246.8674
1977	15544358560.1177
1978	15900581450.5865
1979	15151669884.5508
1980	13899550801.587
1981	11976650258.9428
1982	14526414900.2194
1983	17391764912.6261
1984	17952995293.9883
1985	19009501911.2735
1986	20453548919.1591
1987	21495278741.0114
1988	22845367740.7541
1989	24557185704.3486
1990	26115411597.2553
1991	28607035446.2491
1992	28852966419.1196
1993	29744763781.3743
1994	29860105558.2769
1995	31274111644.2359
1996	31745406477.6989
1997	34802741233.0397
1998	35423067967.2862
1999	37269240063.2033
2000	39680458376.9493
2001	41756853717.6588
2002	39370568175.0019
2003	36665749731.5776
2004	43128990810.7174
2005	44876535421.8859
2006	41533724931.5909
2007	49944873147.7914
2008	47808273682.1995
2009	35145362521.6889
2010	38380496318.3042
2011	37437833276.0628
2012	37474403630.3126
2013	37193393764.8457
2014	38155238508.2071
2015	40757949093.2931
2016	41568144255.4343
2017	44138860712.8406