Year	constant 2015 US$
2001	189232774858.81912
2002	187356518220.4088
2003	198095499776.144
2004	217003349552.60678
2005	232179904716.00983
2006	270757925551.56696
2007	290607282183.4054
2008	309954755499.0005
2009	258645623134.68307
2010	259382413015.19095
2011	303613420289.91864
2012	327910871575.7662
2013	348665044021.6469
2014	370157271186.28204
2015	339166891399.7199
2016	342966161097.8595
2017	363151706232.6701
2018	356735525521.3784
2019	355946424190.444
2020	323451638666.91895