Year	current US$
1970	50479999.5422363
1971	43450000.762939505
1972	56200000.762939505
1973	56500000
1974	102290000.915527
1975	126909996.032715
1976	101080001.831055
1977	127839996.337891
1978	167529998.779297
1979	210309997.55859402
1980	246630004.882813
1981	214179992.67578098
1982	204479995.727539
1983	246149993.89648402
1984	244300003.05175802
1985	278559997.558594
1986	325970001.220703
1987	364839996.33789104
1988	399600006.10351604
1989	501160003.66210896
1990	584340026.855469
1991	590330017.089844
1992	741909973.144531
1993	802590026.855469
1994	799590026.855469
1995	802409973.144531
1996	680369995.117188
1997	519539978.027344
1998	487679992.675781
1999	567720031.738281
2000	579020019.53125
2001	604469970.703125
2002	570720031.738281
2003	633340026.855469
2004	654390014.648438
2005	709859985.351563
2006	733669982.910156
2007	976640014.648438
2008	980200012.207031
2009	1081449951.17188
2010	1040530029.29688
2011	1083989990.23438
2012	1138795043.94531
2013	1229191528.32031
2014	1293458129.88281
2015	1393309692.38281
2016	1439318359.375
2017	1515570434.57031
2018	1490334838.86719
2019	999101013.183594
2020	964414978.027344
2021	889997009.277344
2022	803806003.3917428