Year	current US$
1979	1099999.9791383739
1980	3269999.9809265197
1981	9850000.083446499
1982	14380000.263452541
1983	30070000.473409884
1984	30289999.99910593
1985	50179999.638348825
1986	56520000.41306021
1987	74130000.66019596
1988	27709999.896585945
1989	28309999.726712707
1990	49970000.38623808
1991	31119999.753311276
1992	18199999.63045119
1993	22039999.72715973
1994	22450000.26933849
1995	26140000.06765128
1996	41690000.396221876
1997	20429999.794811014
1998	30920000.08933247
1999	19679999.899119142
2000	34390000.52958728
2001	45810000.061988816
2002	39730000.354349606
2003	44540000.46476722
2004	59580000.05781652
2005	65529998.92830851
2006	75069998.60703936
2007	122180000.05185604
2008	133199999.92847452
2009	91149999.14541836
2010	97359999.89509587
2011	120440001.13010418
2012	185009999.3199111
2013	184099999.4203448
2014	131770000.05543233
2015	88170057.95985466
2016	136754779.3239355
2017	188101161.99403995
2018	151191371.39804667
2019	208916687.49600643