Year	constant 2010 US$
2000	14164112673.4545
2001	15556255031.2822
2002	16990182513.471
2003	17455826312.7569
2004	18441277170.27
2005	17933326274.1745
2006	19993800668.5917
2007	27075906748.7979
2008	32693131010.7967
2009	29427700146.7301
2010	32076077762.3361
2011	30945409531.12
2012	37289156631.7465
2013	39078723880.3624
2014	39722336521.9355
2015	45008669549.4564
2016	42886734370.2066
2017	40011642736.0058