Year	current US$
1967	29292981.8015572
1968	37382157.57049751
1969	40525005.91878213
1970	44653243.570097394
1971	50323851.31248257
1972	47232917.04841549
1973	57288565.23288526
1974	54381981.49111093
1975	75725760.79181421
1976	93613505.147221
1977	104200718.88157363
1978	127122815.68934217
1979	166682651.24916014
1980	0
1981	0
1982	0
1983	0
1984	0
1985	58903141.76644025
1986	111260014.78738867
1987	107391259.76958504
1988	88367155.89022878
1989	114639650.80105956
1990	138842779.77216795
1991	134796415.0711389
1992	143495188.95751515
1993	168450930.79901636
1994	120485292.14889781
1995	173209000.5628907
1996	228656914.01368183
1997	232249327.27838936
1998	247428698.72711205
1999	305655801.84041405
2000	246233897.06026915
2001	299796306.15794414
2002	367261949.29536784
2003	476126473.27046424
2004	590530136.464726
2005	637162013.1134838
2006	674662541.6775833
2007	729106594.19945
2008	796576159.9560032
2009	981132155.871123
2010	940208963.0538198
2011	1047969103.256335
2012	970476641.1106623
2013	1031582077.0902226
2014	983584385.4713002
2015	971418532.3849936
2016	1272627158.6204934
2017	1357332021.0261915
2018	1401557781.2902355
2019	1429403296.6060667
2020	1437072014.8068924
2021	1614758307.6445682
2022	1473988799.0936434
2023	1616816418.609352