Year	constant 2015 US$
2000	9206337425.970741
2001	9635751849.171982
2002	10163025406.409554
2003	10620070349.057436
2004	10968964191.50186
2005	11499978962.195461
2006	11925789626.491076
2007	12563205049.98038
2008	13197798799.200676
2009	12634121334.261793
2010	12645714015.147219
2011	12625655971.220737
2012	12543225543.410461
2013	12549610375.323507
2014	12790689892.554092
2015	13009603672.713003
2016	13295914016.05451
2017	13484979801.439417
2018	13778003529.361063
2019	14096154107.872334
2020	13606336178.445946
2021	14174774254.717344
2022	14440942176.091528
2023	14666425146.821276