Year	current US$
1980	982489254.4441496
1981	1137500000
1982	1257712234.0425532
1983	1280851063.8297873
1984	1335638563.8297873
1985	1082446808.5106382
1986	984574734.0425532
1987	1193882978.7234042
1988	1391755319.148936
1989	1537500265.9574468
1990	1624468085.106383
1991	2707180851.06383
1992	2807180851.06383
1993	2926595744.680851
1994	2902925531.9148936
1995	3101861702.12766
1996	3273404255.319149
1997	3396808510.638298
1998	3530585106.382979
1999	3665957446.808511
2000	4047845744.680851
2001	4203989361.7021275
2002	4326648936.170213
2003	4752606382.978724
2004	6255345744.680851
2005	6344920212.765958
2006	6426170212.765958
2007	6869521276.595745
2008	8866808510.638298
2009	9383936170.212767
2010	10589680851.06383
2011	11245611702.12766
2012	11686276595.74468
2013	13266489361.702127
2014	13520851063.829786
2015	14128324468.085106
2016	14490851063.829786
2017	14883909574.468084
2018	15404494680.851065
2019	15616755319.148935
2020	14586283776.595745
2021	15382975265.957447