Year	current US$
1975	2487345.08640251
1976	3055176.48736175
1977	3326618.49230257
1978	5265216.1886321
1979	5773909.9335423
1980	11689180.0689352
1981	12986023.6529704
1982	8443994.441661209
1983	11753865.57244523
1984	7851049.0275777895
1985	8103910.1375530595
1986	13436692.507745858
1987	16522806.214771489
1988	16998663.4760826
1989	19840909.33867267
1990	18862825.996691417
1991	23685422.230407998
1992	29233974.249513384
1993	36169901.28827175
1994	42171038.80616673
1995	35350421.327696085
1996	46518040.11094423
1997	64219463.58229095
1998	51997143.34117986
1999	50763292.37982206
2000	44842425.15250016
2001	46513963.60130458
2002	15488982.648428684
2003	23565611.590551652
2004	26362378.52504023
2005	36524579.98865018
2006	46688212.345208846
2007	51045031.87712765
2008	44314865.575044096
2009	55144036.60030665
2010	89101018.20421995
2011	108447044.05396134
2012	114583504.89825474
2013	123240488.8050982
2014	109696275.68585405
2015	99323520.89534944
2016	115145253.12758453
2017	121187639.86465038
2018	138349224.01123428
2019	124765640.33927535
2020	43158217.74416322
2021	36049007.45091589
2022	60896928.77620858
2023	106891773.23740181