Year	current US$
1990	100693474.602088
1991	95905658.0086412
1992	103177643.616818
1993	99919815.2494082
1994	71788578.3565112
1995	95022270.2336124
1996	93009390.3529193
1997	88042005.8637443
1998	91674525.5099475
1999	109437805.77996
2000	97259553.4652899
2001	101489382.311872
2002	117820213.91646
2003	134855326.636994
2004	158218788.066033
2005	176317469.007307
2006	191543413.324531
2007	225001036.610543
2008	270198027.73798
2009	278296655.958318
2010	282319893.15354
2011	335981658.737809
2012	331665535.557024
2013	350817064.320069
2014	363318532.750272
2015	316683932.663646
2016	343790773.411303
2017	371309545.466232
2018	402995398.479656
2019	398790920.106336
2020	414350705.12561
2021	441791291.555063