Year	constant 2015 US$
2006	8504778571.14383
2007	9189863405.233784
2008	9557538703.4755
2009	9686865874.149467
2010	10012529862.461477
2011	10216036723.677286
2012	11172314808.587921
2013	11463703322.664154
2014	11916297907.914045
2015	12411835683.335854
2016	12683723812.254599
2017	13276287323.217558
2018	14128096508.470116
2019	14540095686.92381
2020	12389205631.432076
2021	12885243268.925482
2022	13269340516.07968
2023	14603339720.077177