Year	current US$
1976	8673003.739242146
1977	11089068.806312598
1978	15164545.18949892
1979	21890203.94305701
1980	22163208.90338629
1981	17859601.68331374
1982	15986241.112227894
1983	21248691.75112986
1984	26935625.194524843
1985	29326495.0010043
1986	19278075.79079885
1987	23213176.231176816
1988	33344240.890844304
1989	35914015.92570084
1990	59192935.16835617
1991	51160208.480958186
1992	50252835.86169195
1993	53589237.007657774
1994	52986352.30824005
1995	55776979.77697978
1996	146186060.08169177
1997	118656888.05099216
1998	128162615.68575282
1999	152013308.37622836
2000	486226807.753906
2001	546294059.8633353
2002	569063799.4333246
2003	657204441.5584079
2004	650842527.2727273
2005	754034109.0909091
2006	898472650.2855594
2007	935575117.9664112
2008	961331923.0562226
2009	896738912.8827901
2010	896873105.7478204
2011	1037324780.3575664
2012	1122604567.9552243
2013	1262543322.9715793
2014	1376210126.701641
2015	1290375234.9513762
2016	1338730180.0862625
2017	1573333403.1856463
2018	1553145430.377733
2019	1538983435.768621
2020	920042421.5476395
2021	1193663263.2454684
2022	1818966306.178993
2023	1840535504.3914263