Year	constant 2015 US$
2000	2781.30848438632
2001	2829.5755564752994
2002	2905.0972402258894
2003	2938.594640095903
2004	3074.2594797725037
2005	3175.905084407869
2006	3340.534223993868
2007	3596.323184668465
2008	3727.250886497655
2009	3624.2284420116603
2010	3560.596499716566
2011	3616.1302927047036
2012	3687.734498819509
2013	3682.9560529733935
2014	3761.0982156491496
2015	3669.8034241302694
2016	3721.226072074152
2017	3769.0499490100383
2018	3756.934369061797
2019	3803.906900088533
2020	3589.7557062699652
2021	3805.9135683267345
2022	3925.96968524992
2023	3961.939507081097