Year	constant 2015 US$
2008	2502338805.032705
2009	2571125892.4639554
2010	2874276170.5266876
2011	3313890882.2020154
2012	3247728396.3865356
2013	3179201131.6844945
2014	3342758529.8939967
2015	3246709183.220607
2016	3495250236.074814
2017	3686028906.40182
2018	4087841252.4277315
2019	4271936526.570744
2020	4014464676.2666764
2021	5276281939.746956
2022	5563302596.947241
2023	5891028559.394484