Year	constant 2010 US$
2001	11466011442.0539
2002	11420652494.1917
2003	11870774878.8589
2004	12405023006.2567
2005	12911629656.2058
2006	13407804764.0258
2007	13899953595.2582
2008	14741583030.6817
2009	15442627620.1997
2010	16124973167.3285
2011	16641468004.5965
2012	17481908606.7939
2013	18197131541.3165
2014	19464988640.6541
2015	20103869047.7928
2016	20208718154.7133
2017	21739842249.4736
2018	23016757447.7412