Year	constant 2015 US$
1991	1027.9211227551518
1992	1024.1260397031767
1993	1028.6205338017442
1994	999.1907570675907
1995	1003.1575208399726
1996	1035.4754096551328
1997	1040.1146417506736
1998	1054.230947816219
1999	1062.272460547428
2000	1061.7215733399828
2001	1086.4304712396024
2002	1171.343584681639
2003	1205.5793831697315
2004	1212.9987332819655
2005	1270.8103723941374
2006	1323.0021207160262
2007	1354.5008580441965
2008	1385.1366234745594
2009	1430.8257750746802
2010	1464.4148399909864
2011	1486.3149568433737
2012	1537.4851413653184
2013	1561.4218658696955
2014	1595.5381761642238
2015	1626.3536933337057
2016	1647.252123886006
2017	1688.0449917789595
2018	1721.9211046888554
2019	1702.2876249196863
2020	1733.4458628056354
2021	1738.4358743819828
2022	1734.1814577148618