Year	constant 2010 US$
2006	21930876830.3278
2007	23194461160.6996
2008	24860871893.1018
2009	23821594909.6801
2010	24263146696.4536
2011	26479623800.055
2012	28391968180.2181
2013	32468434958.561
2014	32312324446.5775
2015	31953288313.7296
2016	32965471760.9959
2017	32857687865.0691