Year	constant 2015 US$
2006	128353548584.53932
2007	138206659874.141
2008	144274779965.9416
2009	134268007625.53246
2010	137302624900.93675
2011	141510230685.69952
2012	147260084848.8476
2013	152197296074.9355
2014	154583769775.46622
2015	159804903495.21176
2016	165896153314.42575
2017	174544285630.09448
2018	177679984902.17545
2019	184770640074.2838
2020	167660031097.07648
2021	175878627188.33774