Year	current US$
1980	61773893.6989694
1981	112612459.035687
1982	110257083.007446
1983	123306587.025295
1984	102746952.148034
1985	127545913.341996
1986	90537623.8421699
1987	124870048.663788
1988	111763858.67305
1989	154279495.803796
1990	176574820.108191
1991	182273962.938098
1992	152442888.584826
1993	169280197.462221
1994	163488247.133516
1995	155327540.788893
1996	171535939.608686
1997	179371943.014939
1998	115032960.8395
1999	155639742.934832
2000	295790727.69855
2001	313638258.93319
2002	334761071.90705
2003	356468736.512889
2004	419209506.514414
2005	465963131.253949
2006	474518813.942411
2007	536251176.047673
2008	663023379.072374
2009	624638499.83481
2010	667402441.085882
2011	897205120.597152
2012	764875681.858478
2013	784960528.029016
2014	833227270.461848
2015	812203403.909057
2016	932708435.30029
2017	1078084957.23725
2018	1235438031.10421
2019	1260681040.73671
2020	1231382388.02887
2021	1395970354.65023