Year	constant 2015 US$
1991	1419.294131730979
1992	1449.7082472476825
1993	1460.0321976299156
1994	1466.9551440600017
1995	1469.9053921400712
1996	1529.418113123509
1997	1491.322437191357
1998	1520.449772682557
1999	1527.838013873796
2000	1513.5248853959718
2001	1566.9202785671416
2002	1568.8630116329466
2003	1647.7809851465104
2004	1697.4954304964574
2005	1794.772703493293
2006	1840.528275711117
2007	1883.8330605122414
2008	1872.2350697286681
2009	1881.164559478811
2010	1977.148579447316
2011	2086.5924771920445
2012	2170.3504652168276
2013	2271.628846716049
2014	2318.939060689852
2015	2398.8992369535245
2016	2484.2120256667895
2017	2610.724438677447
2018	2694.169377937127
2019	2780.341324074451
2020	2750.7059148708736
2021	2780.8231434610516
2022	2791.800984375756