Year	constant 2015 US$
1995	5334236503.427849
1996	5665605279.849135
1997	5967216389.244441
1998	6639246884.798298
1999	7087337505.930512
2000	7477457259.314466
2001	7782709929.5294
2002	7821771151.8629875
2003	8161309451.870537
2004	8597698139.15004
2005	9000956847.733067
2006	9312228944.68013
2007	10340890812.382793
2008	10738406552.367899
2009	10312625518.973421
2010	10064806006.572779
2011	10267728786.201977
2012	10337687142.448292
2013	10658683591.727585
2014	10835327695.33562
2015	11278073577.966501
2016	12036989589.125277
2017	12630312992.080538
2018	13212903050.108183
2019	13509548313.432152
2020	12456942063.332493
2021	13060176327.41993
2022	14210970409.66269
2023	14865276186.503012