Year	current US$
1970	209999.993443489
1971	270000.010728836
1972	259999.990463257
1973	270000.010728836
1974	19999.9995529652
1975	-9999.99977648258
1979	18399999.6185303
1980	49040000.9155273
1981	28340000.1525879
1982	8380000.11444092
1983	7360000.1335144
1984	4329999.92370605
1985	4150000.09536743
1986	5820000.17166138
1987	4300000.19073486
1988	4679999.82833862
1989	4449999.80926514
1990	5309999.94277954
1991	7349999.90463257
1992	11939999.5803833
1993	15100000.3814697
1994	10920000.076293899
1995	10739999.7711182
1996	8789999.96185303
1997	3910000.08583069
1998	3559999.94277954
1999	3509999.99046326
2000	3609999.89509583
2001	3559999.94277954
2002	3509999.99046326
2003	3339999.91416931
2004	4070000.1716613797
2005	4840000.15258789
2006	5010000.228881841
2007	6699999.80926514
2008	6360000.1335144
2009	7260000.228881841
2010	7690000.05722046
2011	6670000.07629395
2012	6317098.14071655
2013	6522923.46954346
2014	5768219.94781494
2015	6538210.39199829
2016	5485544.6815490695
2017	5164979.93469238
2018	5128808.49838257
2019	5064000.12969971
2020	4594999.79019165
2021	4328999.9961853
2022	3625999.92752075