Year	constant 2010 US$
2006	3618587052.21101
2007	3745513645.29017
2008	3863533554.5473
2009	3907043407.59802
2010	3972490688.69777
2011	3936799620.77605
2012	3984850003.38593
2013	3976651317.12603
2014	4036007313.60466
2015	4038563689.30724
2016	4039420329.11221
2017	4101839913.32024
2018	4125815670.07517