Year	current US$
2007	130907310
2008	180686087
2009	209615935
2010	202105315
2011	213847737
2012	258048046
2013	289531029
2014	254585412
2015	278105529
2016	421118918
2017	261725660
2018	252680855
2019	270579691
2020	217407451
2021	158436055