Year	constant 2015 US$
1991	929.2240029194115
1992	975.0758213682793
1993	1021.5621397128854
1994	1025.3061001939197
1995	1027.762076400565
1996	1028.3747203876137
1997	1046.7720186631982
1998	1048.5419318043826
1999	1033.0849815838233
2000	1060.9462562997007
2001	1092.116335532226
2002	1088.3931330093583
2003	1073.79837737011
2004	1079.1321373898743
2005	1077.7029003102825
2006	1116.4603836143676
2007	1122.3925463502562
2008	1130.829336071164
2009	1180.1610238523397
2010	1220.4055536224903
2011	1239.605594998316
2012	1266.401191609479
2013	1300.2215033989073
2014	1354.134477695942
2015	1354.7124641882442
2016	1431.8631502684996
2017	1493.9588409721914
2018	1561.060287687174
2019	1544.92546373955
2020	1621.7657716538497
2021	1587.4197190297364
2022	1754.349276858967