Year	current US$
1970	1099999.9623745708
1971	1119999.969378113
1972	360000.00871717883
1973	210000.00089406967
1974	2610000.0385195008
1975	1780000.0458955793
1976	1319999.9853968618
1977	1730000.009760261
1978	2899999.961256982
1979	7460000.105202196
1980	7429999.794811008
1981	11190000.21368265
1982	11029999.854043124
1983	4730000.0581890335
1984	9499999.994412063
1985	11699999.822303649
1986	8350000.1076608915
1987	24000000.253319725
1988	32960000.280290857
1989	20759999.98673796
1990	49689999.43882227
1991	36469999.71568587
1992	54279999.44239858
1993	52239999.620243914
1994	48869999.35284254
1995	53089999.99240041
1996	47869999.580085255
1997	39720000.28192994
1998	48999999.63305891
1999	33119999.893009666
2000	32010000.234469775
2001	33610000.668093555
2002	77200001.16154552
2003	35740000.050514944
2004	33590000.452473775
2005	91179998.63252047
2006	59640000.35822397
2007	40059999.8887628
2008	53629999.2240965
2009	56389999.19034542
2010	167929999.13915944
2011	45599999.27505851
2012	34469998.95013869
2013	40580000.40613115
2014	35840000.320225924
2015	29589999.973773953
2016	31499999.36856331
2017	45339999.863877885
2018	41849999.23221769
2019	40980000.08799136