Year	constant 2010 US$
2006	1920497121.64006
2007	1923881952.1086
2008	2168800471.91639
2009	1937100595.06235
2010	2274595387.84067
2011	4094842726.24403
2012	3662516698.53384
2013	3072486016.66255
2014	3825213161.2536
2015	3484398649.62181
2016	2721987379.24851
2017	1746027427.63238