Year	constant 2010 US$
2000	262151640.029506
2001	271382347.920963
2002	236863491.562663
2003	235700951.428521
2004	262198048.817296
2005	279956371.46519
2006	265363128.144583
2007	287639346.283847
2008	299074471.595335
2009	311054900.163358
2010	334229128.34636
2011	412716458.742335
2012	394303070.949817
2013	404799769.732456
2014	434590375.343321
2015	463229020.167309
2016	495600112.633272
2017	531453113.972151
2018	552769099.253401