Year	constant 2015 US$
1980	378621061.63596046
1981	461304888.74897397
1982	462719011.4725241
1983	704393207.7306569
1984	652098842.5953436
1985	491223035.66580725
1986	423955760.68488073
1987	734255861.1413342
1988	779202391.6941288
1989	844001916.9496872
1990	838295733.4373415
1991	869226254.6923264
1992	955477782.8756096
1993	920248535.3395295
1994	925605393.3589044
1995	884664827.5760003
1996	796754921.6798165
1997	811991175.6402034
1998	870165518.5421567
1999	611860983.3242717
2000	515352804.41988647
2001	550140321.15555
2002	516582091.947926
2003	480126596.15749186
2004	508024257.0681756
2005	494436365.0324078
2006	487799755.70048934
2007	475417577.08615553
2008	454509081.25490016
2009	477294910.7854394
2010	477393203.65940225
2011	445415021.79287714
2012	439746549.41080034
2013	467167587.08031535
2014	481645453.4462421
2015	508501886.8220582
2016	549650258.0093176
2017	542511300.155393
2018	735527756.6418805
2019	743239361.0234443
2020	682328615.9530313
2021	760328289.121622
2022	678550818.4975848