Year	current US$
1984	100250259.12929448
1985	93715695.40153453
1986	113140984.2114875
1987	141959893.1922935
1988	152821251.69982603
1989	176175962.47548148
1990	340072112.14291596
1991	359842688.087693
1992	245474029.31895512
1993	272683477.58802706
1994	246001057.3142349
1995	263548466.9706
1996	253708432.17990994
1997	206453718.04535007
1998	200224719.88375998
1999	227441119.77726
2000	306922098.6265301
2001	241724081.8059401
2002	236474348.64726797
2003	219982179.00384662
2004	253024041.5901989
2005	309920921.9036439
2006	422241768.2854489
2007	440083488.1364827
2008	424563885.14854205
2009	433899664.30151606
2010	403289083.0284718
2011	462727288.05710703
2012	450414739.4126638
2013	435280181.75909716
2014	462616618.0160699
2015	526234826.67953503
2016	550842931.0912688
2017	501323722.1751883
2018	447117686.62943923
2019	478543660.35244423
2020	561503145.157235
2021	632122038.3690629
2022	654838501.8807771
2023	906069061.894603