Year	current US$
1979	19999.9995529652
1980	34569999.445229776
1981	38790000.05126001
1982	49570000.447332785
1983	76579999.75793064
1984	78940000.97736724
1985	150070002.05665836
1986	161760000.19535416
1987	199179999.48561192
1988	57489999.067038305
1989	68320000.04500155
1990	136760001.71899801
1991	41340000.011026844
1992	22919999.442994613
1993	35049999.85545873
1994	31319999.89785254
1995	27580000.415444378
1996	56750000.10430811
1997	43599999.69601632
1998	22670000.33147634
1999	48389999.972656414
2000	59980000.55737796
2001	71780000.06265938
2002	60620000.3828853
2003	53960000.06981193
2004	42050000.17397107
2005	64419999.85277656
2006	104949998.1291592
2007	131480000.76040637
2008	132269998.38650239
2009	63579999.61450701
2010	131420001.20133172
2011	166920000.00551343
2012	198420001.61297637
2013	183859999.57658347
2014	177869999.77752566
2015	157849485.7698679
2016	244898479.39834014
2017	242055221.0658789
2018	193395996.26418206
2019	237557830.4156661
2020	187332739.87099534
2021	203145999.1298614
2022	247546076.60323402