Year	constant 2010 US$
1981	435279487.882424
1982	461836985.116142
1983	498535334.609875
1984	498826508.165317
1985	483897792.052494
1986	531047314.953319
1987	571108741.962107
1988	569873225.62858
1989	560150702.003946
1990	561736574.735194
1991	365575074.29991
1992	300259249.317096
1993	389503282.354472
1994	433294283.332462
1995	471794110.248368
1996	487013643.57733
1997	501454809.83965
1998	503379723.602295
1999	547203277.244217
2000	583630608.213133
2001	605852803.121087
2002	616814105.416043
2003	624253345.606989
2004	669607577.702225
2005	756890418.386274
2006	834854142.054711
2007	917757283.26677
2008	1002758524.4783
2009	1089246291.10468
2010	1189540726.08797
2011	1299435174.25295
2012	1452826633.25868
2013	1698842150.5618
2014	1981479101.87503
2015	2342556985.81274
2016	2879017277.48822
2017	3588814065.68378
2018	3787563740.78436