Year	current US$
1976	33138277.015556116
1977	44810001.01656557
1978	59647891.892187335
1979	88256890.8750681
1980	100511208.82829183
1981	87066094.08979522
1982	85762764.61715165
1983	83442234.96012348
1984	87953663.58935505
1985	101827851.02125175
1986	119776615.97800283
1987	152005488.7207304
1988	157397955.81999815
1989	175104735.45344195
1990	193105872.65078977
1991	192406549.21210864
1992	216560163.22067982
1993	220320781.51388788
1994	273021697.851972
1995	280970725.97072595
1996	272396164.9127749
1997	307255992.52896047
1998	326532030.9382186
1999	327970968.64763683
2000	254179124.0426496
2001	267808015.71717286
2002	272312575.48996514
2003	266000236.63524675
2004	509844363.6363636
2005	558630454.5454545
2006	647582818.0268029
2007	664302035.7973216
2008	597860052.8716456
2009	530192499.0117517
2010	604313038.4544535
2011	632150777.0919259
2012	661229845.4374483
2013	857494386.7454144
2014	899657112.3648931
2015	963238519.0693203
2016	1074151281.9505978
2017	1160598532.720411
2018	1248086239.2286687
2019	1325704216.7708833
2020	958213748.1303769
2021	1067685047.3238919
2022	1458541911.3775542
2023	1455339061.018992