Year	constant 2010 US$
2006	601.905555066776
2007	633.516682378389
2008	631.269180464173
2009	609.952180296439
2010	629.054572586493
2011	647.194310246888
2012	676.361155148329
2013	691.9458232886
2014	716.539109754062
2015	728.487151090307
2016	795.508426061938
2017	888.14737732552
2018	892.370841500936