Year	constant 2015 US$
2006	9747706001.88558
2007	10496949549.211138
2008	11335530847.888302
2009	11964701070.641981
2010	13140041375.276953
2011	14371785615.17367
2012	16108056646.885378
2013	18494512000.621693
2014	19457442054.704674
2015	20016975983.149925
2016	20569109785.33742
2017	21278106218.932003
2018	21876042226.21587
2019	23543576254.776432
2020	23703771831.185787
2021	25924016017.991627
2022	27549175119.234264
2023	29071664725.721874