Year	constant 2015 US$
1989	14725931390.17068
1990	14745166188.532629
1991	13793363042.204344
1992	14080658293.832645
1993	14479558761.48867
1994	14772470518.398275
1995	15324628575.762676
1996	15845909335.934586
1997	14919660377.866018
1998	15519161595.725138
1999	16407523657.941597
2000	16914998736.162973
2001	17361523556.567314
2002	17677421054.684986
2003	17904528997.87859
2004	18467881544.261234
2005	18979273573.295685
2006	20973781213.70377
2007	22095903626.846676
2008	21979498893.66443
2009	21412973788.63277
2010	21645250846.796303
2011	21832749534.19855
2012	22317933013.372925
2013	22367064180.36331
2014	22804536038.89172
2015	23102620452.350555
2016	23238447314.471176
2017	23332264811.39116
2018	24091754204.269226
2019	24676313600.205814
2020	20672567160.989418
2021	22290149734.42391
2022	24621802507.01441
2023	25413166125.980278