Year	current US$
2005	627000000
2006	526000000
2007	705000000
2008	813000000
2009	1221000000
2010	1675000000
2011	1879000000
2012	2363000000
2013	4835000000
2014	6115000000
2015	7934000000
2016	7647000000
2017	8093000000
2018	7855000000
2019	10925000000
2020	4172000000