Year	constant 2015 US$
1980	683765509.3107162
1981	473137830.5529159
1982	343139361.30996865
1983	341307113.85478973
1984	357874451.9156197
1985	366619798.1296009
1986	395119182.6322848
1987	451042606.67135435
1988	628298636.7004532
1989	627875906.583121
1990	733002050.733538
1991	468087034.15956503
1992	513031803.7880978
1993	556727891.4657909
1994	489392114.2123129
1995	502350217.89701253
1996	560490856.4154805
1997	601483616.4318864
1998	709175246.5307001
1999	729490022.9817284
2000	848906782.5474707
2001	1044872535.3212522
2002	664634743.8664348
2003	955710923.8658243
2004	1214860641.2965496
2005	1214073521.9883106
2006	1444397792.5830982
2007	1933895475.4274604
2008	3140190472.330851
2009	2729264516.835199
2010	2249716874.17199
2011	2264309652.401554
2012	2333351800.384512
2013	2148502320.0177784
2014	2124366283.2081687
2015	2146785000.2524602
2016	2393065565.006566
2017	2350287473.3397517
2018	2601052141.3303137
2019	2932701866.653654
2020	2630656018.6370764
2021	2965374752.0852714
2022	2399978635.3375993
2023	2467207616.043095