Year	constant 2011 international $
2001	285733747.127308
2002	292525288.189656
2003	311754358.152147
2004	323701493.100927
2005	346664133.959007
2006	378264811.107506
2007	390572053.588695
2008	422544952.966348
2009	432797082.336463
2010	461673240.135702
2011	481978560.362673
2012	497122210.33869
2013	521057622.61517
2014	555186548.308647
2015	576274748.250978
2016	600319107.531943
2017	623558576.462
2018	640130853.817792