Year	constant 2015 US$
1987	684179756907.8923
1988	706724159555.931
1989	715502547804.6951
1990	735231414761.7831
1991	700776400368.2594
1992	667681662537.4803
1993	653985289401.3729
1994	588528236819.4797
1995	594002571737.5814
1996	617441093001.4397
1997	651605546287.7961
1998	666357341856.3774
1999	658446477500.0063
2000	703081344363.7031
2001	702145499922.2651
2002	747055214183.2798
2003	796371472095.4071
2004	873090830970.2035
2005	946955593520.4277
2006	1024876180534.0833
2007	1097388237593.9598
2008	1130997574688.4543
2009	1091960326582.7931
2010	1169134436759.0774
2011	1269523863781.9102
2012	1320946537042.5425
2013	1407943819423.4126
2014	1455432542973.6658
2015	1507646946545.9277
2016	1549639951602.8794
2017	1639851782369.4277
2018	1697467845289.8423
2019	1735613765851.6572
2020	1741186364875.1924
2021	1897899494837.4355
2022	1956309547293.3787
2023	2046428698058.4453