Year	constant 2010 US$
2006	2596266827.52771
2007	3067338152.51085
2008	2807617321.43708
2009	2852529790.38428
2010	2961065637.40956
2011	3530428787.50461
2012	3982601989.48169
2013	4322094617.84769
2014	4107895224.73493
2015	4651996617.2583
2016	7685346828.63809
2017	7194555176.42836
2018	7265190692.11538