Year	current US$
2005	108000000
2006	124000000
2007	124000000
2008	126000000
2009	157000000
2010	190000000
2011	268000000
2012	404000000
2013	689000000
2014	815000000
2015	850000000
2016	1108000000
2017	631000000
2018	627000000
2019	678000000
2020	521000000
2021	631000000
2022	731000000
2023	951000000