Year	constant 2015 US$
1990	173240649379.83667
1991	164014653231.4018
1992	158004325057.15588
1993	154457747674.36398
1994	143419727489.67056
1995	138699067841.66376
1996	136075136890.43298
1997	136533794370.05437
1998	128266230279.8019
1999	131460360154.91685
2000	137939276031.3883
2001	144385369579.0132
2002	150292526932.2083
2003	149672273341.09192
2004	158552276620.08975
2005	161078706319.39813
2006	164466875983.69565
2007	160319646662.6826
2008	170130248821.26483
2009	175666060256.64587
2010	172300820119.8483
2011	187286752000.7251
2012	183024197383.12814
2013	194593719676.78802
2014	198866965395.73557
2015	205103537245.62274
2016	208506525955.16638
2017	213749387905.08307
2018	217763381561.2065
2019	222583091240.3771
2020	226844865325.17044
2021	227576221648.36273
2022	228288633759.45514
2023	230498032307.85278