Year	constant 2015 US$
2001	7442249.213875876
2002	7777936.036492494
2003	8042747.534346366
2004	8262450.0696983775
2005	8557712.722951476
2006	8984166.041196918
2007	9275846.528268123
2008	9986289.373420885
2009	11667493.768160723
2010	9927970.830266647
2011	6664683.267036043
2012	6272153.556246703
2013	6769542.54202365
2014	5980643.126069278
2015	7135680.520039495
2016	7317498.768022192
2017	7314487.115290401
2018	7612443.250312733
2019	7808562.734491752
2020	3558473.4165961877
2021	3448753.8058702066
2022	3433635.1994424877