Year	constant 2015 US$
1994	1011.7023871745597
1995	1093.6099595951885
1996	1163.9368836571562
1997	1211.3787637706773
1998	1265.6192008086277
1999	1335.193444197939
2000	1372.8308437175922
2001	1386.3023965702566
2002	1388.3143730091194
2003	1410.5099846161995
2004	1475.4803479140921
2005	1535.1014827569297
2006	1565.358880110035
2007	1631.2195962805595
2008	1663.8427654645516
2009	1577.1817324979106
2010	1626.8885910510255
2011	1705.2484790046153
2012	1766.9968264748902
2013	1810.2592711266293
2014	1890.2022579240715
2015	1947.688309068441
2016	1984.626980193822
2017	2038.4337241022524
2018	1949.0148645241943
2019	1894.0712310811684
2020	1775.247714533237
2021	1941.2233697739478
2022	1972.4742239367054
2023	2074.786771495622