Year	constant 2010 US$
2000	39542141.7141845
2001	30831398.3545245
2002	25476913.9284576
2003	22476440.205773
2004	44437923.2789092
2005	48099799.67983
2006	55813090.2553568
2007	63024703.395077
2008	52494272.6892155
2009	50489407.3483265
2010	52076700
2011	53715082.5964229
2012	55406399.5399327
2013	56286548.3353993
2014	57218709.2767841
2015	57176472.4632548
2016	54432001.7850186
2017	57176472.4632548
2018	56261648.9038427