Year	current US$
2006	1842000000
2007	2867000000
2008	3731000000
2009	2313000000
2010	2182000000
2011	2544000000
2012	2336000000
2013	2354000000
2014	2369000000
2015	2040000000
2016	2286000000
2017	2613000000
2018	3010000000
2019	2909000000
2020	2404000000
2021	2956000000
2022	3704000000
2023	4118000000