Year	constant 2015 US$
2006	5543787883.943865
2007	5977727187.461531
2008	5834692679.886001
2009	6075167568.417134
2010	6273152163.735079
2011	6832340557.258523
2012	7455405466.408491
2013	8586190053.335864
2014	8467539718.006822
2015	9259030497.002394
2016	9775805652.85764
2017	9741476784.48761
2018	10169692939.741167
2019	10373208428.118155
2020	10832256416.469284
2021	11471490152.486162
2022	12012804368.147976
2023	11242037734.602371