Year	constant 2010 US$
2001	56921.6129219455
2002	53877.8586585643
2003	53357.4073583733
2004	53698.3038243866
2005	50451.1874599186
2006	51310.3931275836
2007	47149.0637907204
2008	43350.2459713905
2009	32565.0095693017
2010	30537.8169423028
2011	33542.6821877434
2012	34270.2120798767
2013	37153.5125462732
2014	38855.1166911316
2015	35518.6745599517
2016	35561.8446490378
2017	36113.9200678766