Year	current US$
1970	3980000.117793673
1971	1750000.0149011612
1972	2979999.9538809084
1973	5839999.9439716395
1974	5570000.03196299
1975	5529999.9564886065
1976	9830000.123009078
1977	12659999.95917082
1978	16340000.245720156
1979	15009999.830275765
1980	22220000.058412544
1981	24659999.936819088
1982	34819999.70413743
1983	43300000.3453344
1984	48270000.15974044
1985	47999999.98323618
1986	64479999.82349579
1987	81189999.28236008
1988	80210000.35479663
1989	65069999.9053031
1990	100270000.41864821
1991	127260000.6628781
1992	105779999.61003658
1993	90420000.18618998
1994	127070001.17748982
1995	131600000.29206273
1996	123029999.94531271
1997	91129999.83318147
1998	100369998.41965729
1999	95519998.55600289
2000	110320000.34302475
2001	99400000.62435867
2002	117639998.53655693
2003	172269998.65099782
2004	162309998.40423474
2005	399080001.3579428
2006	233820003.00660732
2007	215240001.22956923
2008	294350003.01525
2009	275260001.35578215
2010	356059998.9052864
2011	404460000.40322524
2012	440930001.97224325
2013	512019995.9967289
2014	585089997.7721276
2015	597710001.2078879
2016	539320005.6292115
2017	553169997.9081749
2018	574930003.4940242
2019	608989997.9997427
2020	657550005.223602
2021	736310009.9600854
2022	874460002.1168594