Year	current US$
1990	91672226.85268883
1991	96038524.08055277
1992	105827365.02931015
1993	104498769.3472658
1994	117785545.15172699
1995	128710390.35939486
1996	125653957.7765505
1997	120946207.15200374
1998	78823848.2737524
1999	78929872.08703457
2000	74884131.34885184
2001	77833235.7671706
2002	70700488.67469925
2003	85697139.86856356
2004	105335589.44165573
2005	96617186.05175419
2006	120538797.73490801
2007	112189500.93489319
2008	125825263.79767564
2009	123311363.37823859
2010	125926291.46993855
2011	141631441.16278598
2012	158838659.7471021
2013	173922777.55221102
2014	188501256.36888933
2015	167191625.31179675
2016	168096978.20961526
2017	184572866.46518055
2019	169248338.66900292