Year	constant 2015 US$
1995	1165231518.4792962
1996	1295774586.1644523
1997	1374384683.9781241
1998	1281618311.192968
1999	1077797464.6464837
2000	1124035304.85039
2001	1050094037.2804682
2002	1114658811.4117181
2003	1175736386.5277336
2004	1135019482.4675775
2005	1154900843.9546866
2006	1029332832.0710932
2007	1155836163.3214836
2008	1184221941.1152337
2009	1200805830.2914054
2010	1121751927.3214836
2011	1196646266.4644523
2012	1340257176.9753897
2013	1299107562.8878899
2014	1351286844.621093
2015	1417374979.9511712
2016	1362435230.146093
2017	1361279117.7140615
2018	1215490233.3988273
2019	1341152553.8781242
2020	1582624720.367968
2021	1449782741.973437
2022	1452940415.660156
2023	1438066285.8484373