Year	constant 2010 US$
2000	227519600
2001	268373074.2
2002	241175298.98
2003	136614143.82
2004	316342018.3
2005	238685741.14
2006	199148317.06
2007	201782336.14
2008	204219400
2009	376915000
2010	382397400
2011	386509200
2012	391991600
2013	398844600
2014	371432600
2015	319349800
2016	338538200
2017	359097200
2018	361838400