Year	current USD
1971	11583922.3582339
1972	12539956.862548402
1973	16765508.0949879
1974	26346455.895019498
1975	16434892.5410872
1976	26289247.4450138
1977	40439782.6361683
1978	116143119.294469
1979	157225700.11293998
1980	175066312.997347
1981	239361702.12766
1982	311170212.765958
1983	183510638.297872
1984	164893617.021277
1985	167553191.489362
1986	178191489.361702
1987	178191489.361702
1988	207446808.510638
1989	218085106.382979
1990	239361702.12766
1991	263297872.340426
1992	279255319.148936
1993	279255319.148936
1994	284574468.085106
1995	303191489.361702
1996	321808510.638298
1997	321808510.638298
1998	329787234.042553
1999	364361702.12766004
2000	359042553.191489
2001	372340425.531915
2002	444148936.170213
2003	515957446.808511
2004	531914893.61702096
2005	513297872.340426
2006	574202127.659575
2007	642553191.489362
2008	719946808.510638
2009	828191489.361702
2010	842819148.93617
2011	1033510638.2978699
2012	1182180851.06383
2013	1347606382.97872
2014	1475265957.44681
2015	1442021276.5957398
2016	1505534574.46809
2017	1532712765.9574502
2018	1527659574.46809
2019	1557712765.9574502
2020	1404787234.0425498
2021	1381382978.7233999
2022	1381313829.78723