Year	constant 2015 US$
1991	1038.6043824135734
1992	1016.7626687618844
1993	1029.8693222514344
1994	1029.7787914408514
1995	1044.3111066806891
1996	1060.170330091584
1997	1070.2297520900656
1998	1103.5174419845853
1999	1142.1605794685042
2000	1134.1220515424282
2001	1152.8820909917151
2002	1529.8433343491724
2003	1616.8890984632658
2004	1616.4350513104778
2005	1712.8796996996837
2006	1747.741984291106
2007	1825.325116017364
2008	1940.841897463371
2009	1994.954536997254
2010	2100.904459694707
2011	2108.4337478296798
2012	2234.112035269899
2013	2278.496071245749
2014	2405.647126821372
2015	2489.199472432798
2016	2506.0072467024042
2017	2577.58380756374
2018	2610.3185327892984
2019	2601.1639670413656
2020	2615.0915838635915
2021	2619.987927662987
2022	2620.1138233559127