Year	constant 2015 US$
1991	1273.9961806901538
1992	1303.7798826800674
1993	1325.491197334242
1994	1356.5824166795533
1995	1397.277803404767
1996	1467.3864584464725
1997	1470.0834045643567
1998	1484.8099006099808
1999	1498.9081426808925
2000	1500.9882502243508
2001	1553.5226978269668
2002	1590.2681930105086
2003	1657.5097534507934
2004	1742.8425054540435
2005	1845.788728157143
2006	1943.1943504870462
2007	2017.2032993372868
2008	2082.739602138598
2009	2146.2946590092633
2010	2254.513165039048
2011	2395.4800785247535
2012	2499.3945199851887
2013	2655.620939024615
2014	2784.689926255268
2015	2899.6145912355605
2016	3005.3737089510364
2017	3163.7593947829946
2018	3288.904172026145
2019	3413.497579036415
2020	3482.779765870386
2021	3574.6266266608304
2022	3625.2972578473095