Year	constant 2015 US$
1980	56171710.914590575
1981	83047290.19114703
1982	78027385.00650428
1983	70023874.53178065
1984	65347779.2861734
1985	53387776.8990879
1986	47973936.85156123
1987	114613385.21003734
1988	93286186.0387613
1989	97155241.30347869
1990	118138473.88622466
1991	102937577.06457584
1992	133936589.98414257
1993	113838987.34080125
1994	92613315.98565666
1995	117492225.50396673
1996	104600692.68976507
1997	106919427.9799981
1998	99127744.05202785
1999	114474958.78761405
2000	119376439.14018013
2001	124902124.74101216
2002	145991610.85440904
2003	125952965.98060212
2004	120466954.23222362
2005	154943115.98242772
2006	118977664.17221561
2007	117824948.30179927
2008	113211701.5620098
2009	117435076.85394387
2010	106821630.60764396
2011	119637486.41532725
2012	131509937.76420712
2013	146348253.66575894
2014	157971155.08378968
2015	182605395.57806006
2016	194418874.5853595
2017	186319835.60584477
2018	160609939.8634446
2019	185600786.0103476
2020	150296764.46852383
2021	171187809.18802533
2022	239105307.58460775
2023	245430591.22243482