Year	constant 2010 US$
2006	304560942599.769
2007	320425048567.888
2008	331117084760.165
2009	350541571875.983
2010	368905555630.731
2011	380512850225.7
2012	401886531105.703
2013	427800368814.977
2014	458432185483.523
2015	494711229969.513
2016	505080999122.693
2017	530497939656.873
