Year	current US$
1980	2123532965.304545
1981	2656567310.9999213
1982	2434871344.0675035
1983	2559216722.744816
1984	2106582898.5132961
1985	1414865404.3590925
1986	1641096445.7521818
1987	2475463263.296813
1988	2486048189.233365
1989	2502654594.6527157
1990	2895981467.3169656
1991	3146987395.4981594
1992	3559348656.7737746
1993	3286728389.205757
1994	3635433330.761142
1995	4058955056.195264
1996	4141371286.6761923
1997	4321189541.059584
1998	4152529283.951403
1999	4077234083.925909
2000	3962024808.107636
2001	3895291526.569136
2002	3412670714.8933563
2003	5293294688.296995
2004	6617495568.287844
2005	7014445210.900161
2006	7816422367.040534
2007	9195442371.220654
2008	9558351157.852488
2009	10669699242.738907
2010	12583855380.102997
2011	13734752648.10737
2012	15662959142.98801
2013	14779630259.254414
2014	15549983735.881413
2015	14338657169.221888
2016	13289628994.73491
2017	14697602991.356632
2018	15043166654.349852
2019	13808539976.744831
2020	11596533768.176147
2021	14837277777.090557
2022	14881900596.69676
2023	15165328391.552616