Year	constant 2015 US$
2006	11203340532.136202
2007	12300249799.6566
2008	13257989790.452337
2009	13915759140.755121
2010	14792043921.049305
2011	15162069462.666405
2012	16385294158.088442
2013	16868695776.463827
2014	17632003490.82793
2015	18194095744.68085
2016	18984849703.871056
2017	20126847194.979088
2018	20808320923.562576
2019	20512991919.03264
2020	19050583887.741173
2021	19796011071.87002
2022	20770433135.377712
2023	21826975332.431396