Year	current US$
2005	54000000
2006	93000000
2007	109000000
2008	127000000
2009	121000000
2010	150000000
2011	298000000
2012	108000000
2013	170000000
2014	283000000
2015	127000000
2016	60000000
2017	68000000
2018	115000000