Year	current US$
1971	240000.00022351736
1972	469999.9988079077
1973	259999.99791383726
1974	169999.99620020378
1975	309999.9949336052
1976	439999.99016523367
1977	569999.9891221521
1978	570000.0021606681
1979	1980000.0302493572
1980	2699999.9601393896
1981	7559999.771416191
1982	10770000.016316768
1983	8660000.240430236
1984	12400000.134482972
1985	12289999.850094313
1986	25760000.344365813
1987	31019999.276846647
1988	57719999.87959863
1989	54339999.651536375
1990	67340000.07621942
1991	58460000.777617104
1992	30760000.64797703
1993	13589999.860152598
1994	12619999.838992957
1995	12089999.848976735
1996	12179999.951273203
1997	9830000.037327403
1998	11579999.636858698
1999	14280000.038445003
2000	14600000.103935597
2001	13380000.16845762
2002	15940000.163391238
2003	20119999.755173918
2004	32800000.578165054
2005	181229999.88682607
2006	38929999.947547935
2007	49209999.29495162
2008	45889999.86089769
2009	44819999.42660325
2010	53699998.9002942
2011	52029999.94158747
2012	48399999.93145476
2013	63340000.20660444
2014	99669997.75543816
2015	65310000.26501714
2016	57370000.51140787
2017	48009999.74459412
2018	54359999.71069389
2019	54419999.84718855
2020	79139998.66880468
2021	63410000.305622876
2022	64659997.98662959