Year	constant 2015 US$
2002	771192592.5925925
2003	756133333.3333333
2004	632488888.8888888
2005	664985185.1851851
2006	620599999.9999999
2007	628525925.9259259
2008	626148148.1481481
2009	492199999.99999994
2010	413733333.33333325
2011	365385185.18518513
2012	382822222.2222222
2013	381237037.037037
2014	398674074.0740741
2015	428000000
2016	423244444.4444445
2017	330511111.11111116
2018	374896296.29629636
2019	355081481.48148155
2020	391540740.74074084
2021	284540740.7407408
2022	293259259.2592593