Year	constant 2010 US$
1980	77859662.8767931
1981	80868879.4103769
1982	86031242.2567831
1983	90178833.8076352
1984	93885419.4871863
1985	96026358.0250248
1986	97819374.9758165
1987	99421645.4424811
1988	102093622.192129
1989	98846354.0463549
1990	103879009.283555
1991	98274114.6353292
1992	106657804.122952
1993	109863871.071534
1994	104066703.971013
1995	107823646.537385
1996	106430922.437109
1997	110720444.697581
1998	112140620.869005
1999	114298345.382899
2000	126697522.92287
2001	129653284.671075
2002	132667445.354514
2003	135458905.500886
2004	138059176.935941
2005	141976468.843615
2006	145734449.283796
2007	141258949.921208
2008	161176461.860099
2009	155051756.303237
2010	162029085.38785
2011	178069964.743329
2012	216533077.288511
2013	225410933.401431
2014	226087166.259707
2015	233321955.387269
2016	241021572.980446
2017	253487600.404921