Year	current US$
1990	341395619.9865697
1991	447431749.00364506
1992	493861501.9736046
1993	471365302.5245605
1994	455390548.3227019
1995	537814801.6933703
1996	568527910.9105467
1997	521705728.8888031
1998	448891541.24222666
1999	418247855.76769966
2000	307957371.1940971
2001	261454848.57739076
2002	222674005.77892485
2003	268831728.2855018
2004	410969357.9526133
2005	358097333.22712475
2006	420479443.0815478
2007	503284408.8703742
2008	578707567.0829331
2009	492310243.7551598
2010	643010274.0603515
2011	585825127.953214
2012	511945274.973907
2013	662761952.6834718
2014	805190157.1671455
2015	625694517.5736537
2016	619091350.9524608
2017	570165011.521484
2018	557301380.6474782
2019	579860092.7790236
2020	694626970.5706751
2021	953557045.0082653
2022	1054670241.0152954
2023	1957509810.9699836
