Year	current US$
2008	768243970
2009	744462727
2010	999333911
2011	1085022307
2012	854245935
2013	801028655
2014	871474560
2015	838425109
2016	871062766
2017	850805061
2018	828929549
2019	840506111
2020	832607037
2021	959678975
2022	1041437027