Year	constant 2010 US$
2006	3042553191.48936
2007	3206861702.12766
2008	3425053191.48936
2009	3588164893.61702
2010	3723856382.97872
2011	3839760638.29787
2012	4018936170.21277
2013	4165531914.89362
2014	4368191489.3617
2015	4508031914.89362
2016	4742872340.42553
2017	4792659574.46809
2018	4883803191.48936