Year	current USD
1973	1286451264.7605479
1974	1645852946.869881
1975	2149004720.672347
1976	2310990231.249431
1977	2710881623.8654904
1978	3486848128.82339
1979	4158830463.9049253
1980	5129900167.146415
1981	5126400203.735969
1982	5123341816.461332
1983	5226946230.248588
1984	6057002156.447268
1985	6248718555.77022
1986	6634262472.382007
1987	6560582407.450198
1988	7091671570.3107
1989	4808583902.172418
1990	8385286261.241548
1991	8857317350.737823
1992	8363986710.730993
1993	8275512494.550655
1994	9513680273.609184
1995	8661970888.161549
1996	9255050272.243492
1997	9439464880.640797
1998	10973085930.573467
1999	12658822763.711126
2000	14731101495.041069
2001	14600303197.840136
2002	16369804168.919502
2003	30403463587.66271
2004	37161331072.53099
2005	40545635364.918144
2006	9130695895.625051
2007	11248969746.550322
2008	14126614047.597971
2009	14767356195.255373
2010	12582017501.838934
2011	14181200036.68684
2012	14316232359.209782
2013	15043170957.955156
2014	16449047953.340855
2015	17386222578.34673
2016	17131578978.808548
2017	18997367350.037792
2018	15977425178.578342
2019	16752419770.98279
2020	18913528053.060307
2021	19330605697.51556
2022	18695032517.280933