Year	current US$
1970	6119999.885559076
1971	3470000.0286102328
1972	4440000.02369285
1973	6530000.254511839
1974	11179999.981075529
1975	17110000.144690275
1976	18290000.55417419
1977	32149999.266490318
1978	30690000.057220362
1979	37539999.306201935
1980	46599998.30275774
1981	46549999.415874444
1982	48060000.568628356
1983	44379999.697208345
1984	46579999.44873154
1985	39990000.70616602
1986	64190000.97922982
1987	64780000.81703074
1988	67439999.46676195
1989	53050000.505521916
1990	63040000.67152079
1991	39550000.606104806
1992	54830000.51975255
1993	26820000.568404764
1994	31500000.06891788
1995	29680000.923574008
1996	31390000.287443366
1997	27979999.668896217
1998	23680000.07793308
1999	23120000.131428294
2000	26460000.630468138
2001	27880000.10326508
2002	40239999.655634165
2003	42620000.12397768
2004	43110000.945627704
2005	123600001.19544567
2006	62450000.80205503
2007	74949999.85769391
2008	88350001.42641364
2009	111360000.80406669
2010	145860001.78195533
2011	98010001.05217111
2012	92000000.62212354
2013	102860001.16541989
2014	82149998.51211902
2015	67559998.33345425
2016	53229999.97436995
2017	71249998.92897914
2018	61450001.597404525
2019	54129999.060183816
2020	45759999.69244008
2021	50939999.34196475
2022	58489999.283105165