Year	current US$
1986	89388851.5095707
1987	98246468.7531448
1988	104514036.862129
1989	116446972.039775
1990	125381122.372147
1991	108969074.727788
1992	130260498.1686
1993	136674329.068563
1994	142228339.689156
1995	145781026.047432
1996	154911228.512604
1997	164629068.135335
1998	133389016.3539
1999	114355665.489981
2000	128949225
2001	154312760
2002	161028945
2003	175921460
2004	187679460
2005	202269750
2006	213104506.139999
2007	233730522.445
2008	227856447.11
2009	239433916.4
2010	255359165.97
2011	243369337.8425
2012	239191631.14
2013	259358236.367658
2014	278106474.518261
2015	246061173.48359
2016	217930084.752678
2017	207842606.598661
2018	184298141.209012
2019	163627904.715411
2020	139662647.158818
2021	302458410.761757