Year	current US$
1982	232900561.25822842
1983	219716413.09740257
1984	251389174.08700308
1985	269789051.965272
1986	352295561.8746067
1987	431471016.5337297
1988	513643771.5033918
1989	618007506.4573383
1990	723975288.8420784
1991	993097416.9972202
1992	1530039729.8560448
1993	1759261002.4411519
1994	1945031351.2723103
1995	1823097538.8559742
1996	1340128539.8674433
1997	1343775249.8591902
1998	1097036672.4582882
1999	1026420666.053542
2000	693878568.1356608
2001	631605153.4200535
2002	699078463.7153256
2003	1084620197.7973235
2004	1631353906.5671873
2005	3024566646.2573953
2006	4855884438.59882
2007	6628418087.237523
2008	6229964426.921824
2009	3967294245.456981
2010	3524023405.0138855
2011	4540790161.5922165
2012	5838272090.738966
2013	6879364846.910006
2014	10416383659.25979
2015	11172504308.099226
2016	9865962298.738321
2017	9988411414.351929
2018	9248304151.362148
2019	7625330371.093629
2020	6715932358.517183
2021	6895481774.353034
2022	5570471479.58775
2023	6373249960.624501