Year	current US$
1986	1408910414.5268068
1987	1447184131.745263
1988	1810508314.477543
1989	1697970211.175306
1990	1783699721.3917196
1991	2047822839.3552957
1992	2343194098.139986
1993	2345669990.1536317
1994	2512239004.4974127
1995	2751086602.8889112
1996	2974564828.776339
1997	2833424321.993782
1998	2857229269.785482
1999	2685512563.796852
2000	2302743837.2790985
2001	2196026294.0262446
2002	2353157769.029054
2003	2392952263.762284
2004	2672585397.391297
2005	2167641399.4756827
2006	3835990814.6637535
2007	5893766154.700167
2008	6178390039.723753
2009	6281142669.13719
2010	5480756667.163944
2011	5544493658.338424
2012	6102990535.886613
2013	7129991549.797287
2014	7267278824.696755
2015	7543994455.740408
2016	7181323751.129342
2017	7679963002.370223
2018	8719743236.046146
2019	9840219193.537653
2020	10270093984.09473
2021	11679889583.289589
2022	15483073028.728767
2023	12276375499.923914