Year	constant 2015 US$
2009	301241540.54022914
2010	312682643.706921
2011	300396604.09485316
2012	313703714.9400037
2013	282157719.1939131
2014	246006692.18661943
2015	250588749.3450781
2016	257672431.02458948
2017	264334920.82045418
2018	145580727.18139285
2019	156820259.144355
2020	190508371.7173812
2021	181548298.06497073
2022	166381564.299782
2023	158785143.2767405