Year	current US$
2004	824496881837.7847
2005	951624925391.9928
2006	1157097311173.7708
2007	1459207835057.2915
2008	1836820584640.6748
2009	1956255144865.8364
2010	2342743506996.4897
2011	2895018021257.6304
2012	3186575228413.9653
2013	3440126407728.0938
2014	3692825692332.859
2015	3693166465955.4336
2016	3664029376162.2163
2017	4012327292623.891
2018	4455367387423.782
2019	4441972582226.195
2020	4452904211623.054
2021	5552288828592.638
2022	5512014314605.904
2023	5338852904336.566