Year	current US$
1986	270330397195.2762
1987	298779825036.3444
1988	369048147736.5433
1989	405772929819.093
1990	425635052529.74414
1991	422661319556.2089
1992	650450683379.2831
1993	598693966297.1769
1994	630316409735.0823
1995	780632905967.0895
1996	824384203160.5853
1997	862641186051.6367
1998	810412278814.6942
1999	810071283854.656
2000	958903918215.2188
2001	1007420309466.0333
2002	1100257826061.2485
2003	1346799478464.0884
2004	1725633812040.1921
2005	2030506340348.4263
2006	2429779322466.3496
2007	3028763476760.7686
2008	3704142545150.5513
2009	3044246731389.6743
2010	3803605642739.609
2011	4685295772965.045
2012	4917561638157.871
2013	5226591002124.07
2014	5373234735007.639
2015	4747571332636.066
2016	4684859502651.503
2017	5272611398771.2295
2018	5922977882463.07
2019	5997968118845.955
2020	5532877536199.508
2021	6946867699597.495
2022	7439146315253.887
2023	7399823270698.401