Year	current US$
2007	1042000000
2008	1251000000
2009	960000000
2010	954000000
2011	1105000000
2012	1031000000
2013	1117000000
2014	1179000000
2015	1102000000
2016	1202000000
2017	1381000000
2018	1643000000
2019	1806000000
2020	1115000000