Year	current US$
1966	19266443.45025595
1967	22035302.9508847
1968	20988897.58223613
1969	23077140.923425477
1970	21393730.229968365
1971	20720647.05601777
1972	24111329.798689175
1973	31865390.43294633
1974	41877707.23122611
1975	50235171.26795587
1976	52005932.587581374
1977	65617860.12239759
1978	102907354.44649273
1979	131009533.91625573
1980	153325163.5838355
1981	146042850.61075184
1982	128848574.58582841
1983	133367480.55295
1984	114897722.07927439
1985	121704015.07598859
1986	104144840.46214779
1987	130802612.23566663
1988	155878661.79577526
1989	185466421.34727082
1990	226977004.16499978
1991	239289620.99661508
1992	263205385.96391636
1993	275121124.0124028
1994	214068046.50205058
1995	279038983.09613156
1996	247310341.46278724
1997	204004699.1387494
1998	240030742.9226447
1999	228252566.98234645
2000	239267448.02103597
2001	172598261.58441192
2002	187843014.98783123
2003	183930191.4988685
2004	282217002.19742984
2005	309496622.5008734
2006	309274034.43167776
2007	336061371.18265903
2008	384411745.4888734
2009	377490756.8622119
2010	406576420.9094446
2011	363423204.2338617
2012	394206040.9761047
2013	364299281.26155967
2014	447782687.9386131
2015	459500233.471779
2016	447005097.3279676
2017	549737405.3531269
2018	691368612.09765
2019	624394162.324541
2020	686424476.414935
2021	714636610.3653235
2022	673610749.4573083
2023	822268730.6055646