Year	constant 2015 US$
1995	2167939369.714062
1996	2261671018.714062
1997	2467893960.6687493
1998	2806567222.9675775
1999	2720733086.7230463
2000	3057968420.315624
2001	3463279026.82539
2002	3642501972.5867176
2003	4137920558.995702
2004	4655953237.141405
2005	5088578941.505467
2006	5579488467.526952
2007	5849925577.539451
2008	5982888492.839061
2009	5023676875.455467
2010	5484262304.66328
2011	6043540015.005076
2012	6344881497.073045
2013	6636299495.847263
2014	6924807242.309372
2015	7131769119.8492155
2016	7356584169.312107
2017	7768700527.892965
2018	8068529743.891013
2019	8390355052.9457
2020	8479114974.68281
2021	9403676504.492184
2022	9815573179.520699
2023	9367539669.644527