Year	current US$
1970	59221512.466515556
1971	55619107.87725403
1972	52394689.46894689
1973	53527645.2101036
1974	71803096.1131529
1975	86425415.59745622
1976	112839644.55215591
1977	126042492.62986682
1978	138856410.8276707
1979	193542155.68862277
1980	223655978.1257768
1981	242267539.96447602
1982	258594791.6666667
1983	270064826.7646183
1984	243353291.74038553
1985	238043832.35724744
1986	276174350.01092416
1987	394057281.31212723
1988	446224082.0033735
1989	479721483.12392217
1990	649373362.1504796
1991	656351527.2244356
1992	670087629.559833
1993	642407299.270073
1994	716046347.835965
1995	889781128.4046693
1996	956323249.1662697
1997	868175953.7315093
1998	964539728.1467565
1999	912267541.9715885
2000	923910150.425532
2001	835779532.4152265
2002	747131645.0496
2003	1150745380.9287813
2004	1282410879.783956
2005	1465243908.4380302
2006	1523643305.4104252
2007	1818766798.0042021
2008	1821432493.0890434
2009	1590067532.605029
2010	1896851053.959783
2011	1750600889.353214
2012	1665840063.9990854
2013	1743438855.6136236
2014	1936845193.8416002
2015	2684099363.583107
2016	2646662209.5346465
2017	2685109725.871718
2018	2975026495.000419
2019	3144248189.6216407
2020	3040941424.734405
2021	3682781239.381829
2022	4595992812.111278
2023	3885126745.457506