Year	current US$
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	130.9164412721936
1982	20554.408453467622
1983	34105.61890071389
1984	0
1985	0
1986	34824.5374387284
1987	31863573.860487778
1988	30502226.3581492
1989	16701740.784789996
1990	40334894.58976082
1991	35035981.86859875
1992	18257691.624098856
1993	26547361.182295937
1994	36727342.889330626
1995	39063315.02254539
1996	40950088.915450096
1997	141070660.2690057
1998	69675901.17866144
1999	65725018.95825997
2000	43159609.511762075
2001	36381592.16967741
2002	33091063.518141914
2003	38946063.21479965
2004	44070265.81163389
2005	51994431.697762944
2006	56835186.652517475
2007	67028193.67278216
2008	74542975.27233748
2009	71386773.66902876
2010	70511688.69086239
2011	91546395.73608434
2012	84864399.90374011
2013	69433956.79125278
2014	76406053.91954383
2015	78425376.48840636
2016	77221678.02949354
2017	100727322.98384544
2018	95337722.00236085
2019	88924766.46449381
2020	84043044.09729351
2021	96184038.87215076
2022	87362168.33604005
2023	100219307.01291978