Year	current US$
1970	1064267248.9919
1971	3668658364.6282
1972	4412519744.6551
1973	5879168898.4137
1974	6637234340.7982
1975	10499153722.101501
1976	11311956186.693398
1977	14336403892.9282
1978	18857969895.1902
1979	21781513673.441998
1980	24391653457.264107
1981	27632313996.528904
1982	28483264574.8089
1983	28093750580.590607
1984	28025780870.445797
1985	28535946930.845
1986	34623239323.6439
1987	40761903177.44601
1988	45537409014.383995
1989	50148061893.18599
1990	60208321060.48425
1991	65981778416.69766
1992	72685795978.07594
1993	76090834943.10246
1994	80244488047.90341
1995	89896165397.87221
1996	92241347800.83559
1997	91345173318.2053
1998	93863134403.01694
1999	106846005585.29391
2000	108102596971.96945
2001	115511471546.49751
2002	122644770843.28688
2003	133257465152.27858
2004	147484863031.40335
2005	158438614614.4687
2006	176458757184.89178
2007	208696431438.8102
2008	249893878868.99545
2009	242215315615.56143
2010	244434041157.6297
2011	277091865383.58636
2012	277345525030.4271
2013	299552324777.4691
2014	308296507966.33496
2015	300347712466.70953
2016	307724024284.64343
2017	322838987714.354
2018	339901630144.73193
2019	348884737983.83185
2020	339097476869.57043
2021	373492891418.7271
2022	386282666500.32086