Year	current US$
2006	52130111.111111104
2007	59255074.07407407
2008	54095444.44444444
2009	49819185.18518518
2010	45822222.22222222
2011	45803703.7037037
2012	46944444.44444444
2013	45125925.925925925
2014	44422222.22222222
2015	52533333.33333333
2016	58688888.88888889
2017	60011111.111111104
2018	59948148.14814814
2019	41400000
2020	42748148.14814814
2021	54329629.62962963
2022	49507407.407407396
2023	53022222.22222222