Year	current US$
1976	10028463.40431191
1977	18578160.197632127
1978	23890801.34972107
1979	31448315.685890462
1980	34675358.56854579
1981	35895862.792037286
1982	34601712.700874925
1983	33105517.242546745
1984	39084238.83826423
1985	52773434.13331771
1986	65212393.22525442
1987	77698505.6549694
1988	72191906.23519485
1989	66469683.71077616
1990	81233746.09850928
1991	77489550.50750281
1992	87683830.25729927
1993	91961195.52770738
1994	85152702.39309838
1995	106460029.71456169
1996	114292334.98435631
1997	125886587.49488075
1998	127356060.45009713
1999	152929949.6186302
2000	188236529.91804576
2001	213271852.37937602
2002	210737360.0613018
2003	213879044.3979907
2004	215937144.7338289
2005	236899477.32400572
2006	273970262.5833387
2007	243185463.8218639
2008	241165665.7474267
2009	235070177.40744898
2010	259170485.88346502
2011	261820886.62938833
2012	382684569.9238685
2013	469362994.7512782
2014	500486155.311687
2015	495820526.56915855
2016	625495348.1469865
2017	826122435.5852779
2018	869487026.1749468
2019	907706770.1829203
2020	497328240.7438718
2021	771585646.7224545
2022	961366772.34877
2023	972868781.7542143