Year	constant 2015 US$
2006	7360420888.7504635
2007	7233994126.781089
2008	7769616403.913404
2009	8331013351.881458
2010	8770605391.267725
2011	8844814692.931519
2012	9048417891.458534
2013	9587289448.433632
2014	9673619828.685667
2015	9872630363.841253
2016	10142452739.89385
2017	10772688442.472351
2018	11297935030.052588
2019	11823866108.387392
2020	12685082333.210659
2021	13757840571.305468
2022	14330231417.069384
2023	14968175174.458961
