Year	constant 2011 international $
2004	492498054.529973
2005	510819765.117555
2006	565618962.220457
2007	590708791.458334
2008	663926383.618
2009	664929220.533923
2010	672330449.565206
2011	684302150.005901
2012	673765798.425313
2013	727493794.598
2014	749317671.416837