Year	constant 2015 US$
2006	157590558017.75574
2007	166942023828.45096
2008	173306195253.00897
2009	165837572585.2443
2010	170571294941.07547
2011	175977880056.45486
2012	182115685588.79315
2013	183670583739.62186
2014	186130669899.2885
2015	192553523950.0722
2016	195955672595.36847
2017	204742553618.62744
2018	211461728903.04996
2019	220074134044.84143
2020	206145180595.7841
2021	219023433207.95627