Year	constant 2010 US$
1981	71198329.5137433
1982	74638083.4090583
1983	86212960.0892302
1984	89545975.4388063
1985	83942821.7051441
1986	104544488.15575
1987	114333776.618818
1988	123239287.957134
1989	121154561.302447
1990	124396955.964827
1991	124506286.893409
1992	133397032.920752
1993	141409186.589029
1994	149720816.831781
1995	162017728.489782
1996	145325149.94131
1997	135957969.032406
1998	132091035.52954
1999	128924608.955679
2000	136519163.561693
2001	143841179.832335
2002	147603854.460007
2003	147854977.458852
2004	148030245.081476
2005	152345998.953014
2006	154534759.0583
2007	160180179.903528
2008	157545417.237007
2009	154968025.129917
2010	164969100
2011	166959486.461674
2012	172732723.052274
2013	177673015.764298
2014	176328132.630446
2015	175685334.397765
2016	179041793.905222
2017	185487246.638153
2018	190124427.804107