Year	constant 2015 US$
2002	1122.5822014273397
2003	1080.331934080407
2004	813.6600333560499
2005	931.7083065169339
2006	853.4317400310749
2007	987.8820202943219
2008	839.7257314451654
2009	1205.5161344945498
2010	1137.0032919758828
2011	1027.2440632486423
2012	1199.6848346977051
2013	1210.125110070311
2014	1224.3564056426694
2015	1127.3215364457644
2016	1177.5003348309226
2017	1231.296773384121
2018	1165.4962692927977
2019	1354.4087693433316
2020	1432.509059362883
2021	1246.5858348613797
2022	1267.0232687614937