Year	current US$
1970	249599899.3
1971	296861066.86
1972	294714313.53000003
1973	438144946.11
1974	580590981.53
1975	862643775.023
1976	931719012.3583999
1977	1149828661.8741002
1978	1443725795.0189998
1979	1535454094.1030002
1980	2074513915.079
1981	2006539728.6280005
1982	1922252329.4250002
1983	1948589195.4287999
1984	1889507000.2627995
1985	1787922456.1749997
1986	1947024159.3523996
1987	2027427377.1667998
1988	2107338668.9534998
1989	2169473300.1169
1990	2271187839.0427494
1991	1832484929.3112228
1992	1987610338.6698174
1993	2257598313.9236846
1994	2851245230.1214166
1995	3435961530.7236295
1996	3511577989.2517653
1997	3636168972.2185187
1998	3412784866.4875636
1999	3705510409.7670918
2000	4758395405.8538885
2001	5857506523.332558
2002	9509100626.181559
2003	13250163677.811855
2004	18143762073.42985
2005	21971815510.460922
2006	29851829837.918743
2007	39990740087.36353
2008	54545306021.07535
2009	48955920726.25804
2010	50283347854.025856
2011	57100193664.418304
2012	68110154413.59898
2013	77570254795.29558
2014	77390235896.93439
2015	60374870350.732346
2016	57516211238.67394
2017	75450122600.03722
2018	79004287574.72813
2019	81832868649.90308
2020	74168531218.7993
2021	81400130157.18362
2022	71596351963.22733