Year	constant 2010 US$
1980	1392058124.94677
1981	1500540286.11099
1982	1534229523.6979
1983	1552444960.09601
1984	1719914298.25959
1985	2156268900.65543
1986	2428161691.41587
1987	2577218199.39076
1988	3308310192.31904
1989	3884085208.75072
1990	4416127767.93019
1991	4709923489.84601
1992	4749337332.2973
1993	5161991666.24043
1994	4503474807.2362
1995	5028700828.6563
1996	5602045330.00789
1997	6198238015.0307
1998	6619612932.46536
1999	6969669597.54285
2000	7266778203.48354
2001	7460468103.20516
2002	6592059037.52635
2003	6303501507.46029
2004	6421994354.17515
2005	7450857073.78078
2006	7929419300.93094
2007	8328454067.49432
2008	8303275485.05468
2009	7771462082.22653
2010	9237589337.96587
2011	11492430210.2244
2012	10072004155.1855
2013	12076990706.0043
2014	13042107903.8267
2015	13111669639.6624
2016	14270936983.5217
2017	13947482507.5745