Year	constant 2015 US$
1980	331981904.90029454
1981	445391144.321366
1982	427181862.5794086
1983	709016808.9722382
1984	651426813.6634643
1985	485685473.5146045
1986	441751213.72782964
1987	715519563.6584867
1988	808691240.7884486
1989	875910076.1016744
1990	870860610.2327117
1991	910218912.4420661
1992	989582420.2059069
1993	954826411.2653004
1994	962929075.4395708
1995	919492683.7623979
1996	833003223.867741
1997	845449118.6839799
1998	870165508.674385
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