Year	current USD
1960	190277777.777778
1961	241805555.555556
1962	210604174.49715298
1963	259250864.16954702
1964	278584261.94754004
1965	313917713.059044
1966	375501251.670839
1967	605514168.123425
1968	690001971.4342041
1969	872002491.43569
1970	1259646456.13273
1971	1270657787.28045
1972	1461373749.94019
1973	2574504909.77879
1974	3475602770.2834797
1975	3758315380.79117
1976	3648665017.1533403
1977	3180556220.38198
1978	3117508058.31813
1979	3394518703.94861
1980	4120814786.0484095
1981	4700103231.67638
1982	4518481888.985041
1983	4265358581.86055
1984	4214300330.82091
1985	4004517114.13666
1986	4386224325.19626
1987	5995553855.41564
1988	6999574985.304339
1989	5550710260.44257
1990	6528767331.23656
1991	9337649894.62416
1992	7313388389.7285
1993	7752806699.97369
1994	7772187267.59513
1995	7945971519.509549
1996	8499441747.408509
1997	8580697530.058451
1998	8095647853.163361
1999	7652604037.03023
2000	8327543752.99401
2001	8504274012.34054
2002	7981518926.42608
2003	8225281206.28968
2004	8605125435.63336
2005	8921942197.562222
2006	9315253567.81371
2007	11382202878.2302
2008	13803713496.5803
2009	12754237934.6649
2010	13875211595.7068
2011	15100066207.7677
2012	14524419593.7675
2013	16247825942.460901
2014	17737375713.577
2015	16457098752.1976
2016	17434558598.5485
2017	19357002461.0705
2018	19899819039.513
2019	20339225589.2256
2020	21816569767.4419
2021	24340979541.2275
2022	23406074573.048603