Year	constant 2015 US$
1989	2313229505.228569
1990	2396053057.5479636
1991	2377699002.401427
1992	2468967151.5012407
1993	2535698112.3423424
1994	2592160470.0911393
1995	2666842841.184225
1996	2654426947.491147
1997	2851753257.4818125
1998	2818198948.2654653
1999	2871262970.0455027
2000	2943376643.483511
2001	3123030791.1388173
2002	3209470702.9453416
2003	3262373557.8194833
2004	3327487026.04586
2005	3464647706.3800354
2006	3721252864.072529
2007	4065006005.15856
2008	4172499381.36858
2009	4259686673.763556
2010	4422079219.765189
2011	4640342450.249532
2012	4897534695.157946
2013	5126430282.586788
2014	5156847442.310597
2015	5098472119.286266
2016	5013262579.2247505
2017	5067625472.324525
2018	5107246761.940588
2019	5283342353.049051
2020	5173291999.089938
2021	5301081923.042431
2022	5500921097.347242
2023	5826155549.472503