Year	constant 2015 US$
2000	2785.828220178808
2001	2814.1539324938526
2002	2919.1312329337275
2003	3012.6243043448076
2004	3199.186307558441
2005	3343.246228986338
2006	3523.4940408464263
2007	3775.8269233152128
2008	4074.086423638954
2009	4025.185399076599
2010	4044.5184916476587
2011	4123.823243761197
2012	4165.381733495403
2013	4352.919261433287
2014	4439.04446805898
2015	4685.971858502287
2016	4872.004984147664
2017	5039.799083433482
2018	5307.665125546228
2019	5548.281988318772
2020	5427.609706474915
2021	5866.838308517478
2022	6194.976845763504
2023	6404.659351792862