Year	current US$
1979	2640000.10490417
1980	53650001.5258789
1981	75090003.9672852
1982	104330001.831055
1983	143930007.93457
1984	170259994.506836
1985	270100006.10351604
1986	286579986.57226604
1987	365869995.11718804
1988	101650001.52587901
1989	116019996.64306599
1990	243540008.544922
1991	114809997.558594
1992	78959999.0844727
1993	80830001.8310547
1994	72150001.5258789
1995	87580001.8310547
1996	152800003.05175802
1997	115610000.61035201
1998	114180000.30517599
1999	144740005.493164
2000	151740005.493164
2001	172449996.94824198
2002	144750000
2003	151199996.94824198
2004	156759994.506836
2005	199889999.38964802
2006	236349990.84472698
2007	326549987.792969
2008	367489990.234375
2009	233119995.117188
2010	295440002.441406
2011	393519989.013672
2012	476600006.10351604
2013	461109985.35156304
2014	386940002.441406
2015	399893402.09960896
2016	509433715.82031304
2017	548159057.617188
2018	519244018.554688
2019	603981933.59375
2020	486684783.935547
2021	377582000.732422
2022	497091563.97357607