Year	current USD
1960	468810916.179337
1961	301330376.94013304
1962	330376940.133038
1963	350000000
1964	380897803.67002696
1965	422676991.150442
1966	442035398.230089
1967	508407079.646018
1968	570685840.707965
1969	596792035.3982301
1970	564858542.613762
1971	570873159.4772209
1972	703957597.173145
1973	861625441.696113
1974	1136704698.03477
1975	2284986255.46146
1976	2534775214.75603
1977	2765773072.18007
1978	2727882976.0071197
1979	3001142305.52651
1980	2671976285.57263
1981	2814869761.46162
1982	2754732302.69512
1983	2469375535.0244203
1984	2190052307.47413
1985	2365977436.04677
1986	2769409587.96878
1987	2889593497.07308
1988	2663901290.11847
1989	3373741563.2894697
1990	5315413395.48577
1991	5670666519.6485
1992	6157947273.30402
1993	7075086939.89767
1994	5293173965.76006
1995	6606245814.71084
1996	7512090795.51722
1997	7791986303.624929
1998	8781048158.20561
1999	9951788873.95143
2000	9993730196.93899
2001	7216051044.80291
2002	9050377181.98284
2003	10277901778.2782
2004	10920773882.178
2005	12081156313.729
2006	13036508103.1888
2007	14987758360.004
2008	16809576495.1749
2009	16047510903.5072
2010	17650464118.1755
2011	17006477805.3076
2012	17694320712.694897
2013	18427646196.757
2014	17576538470.5059
2015	15668750000
2016	17827702150.7967
2017	17822738263.1645
2018	19648693823.851402
2019	20436917121.2388
2020	17478413685.2698
2021	15567410029.4251
2022	10644578904.7691