Year	current international $
2000	692.763274779125
2001	527.918003112092
2002	963.145452255494
2003	990.289810638171
2004	1096.39661161848
2005	1048.7582777245
2006	1028.85419418101
2007	971.32976089051
2008	855.641095104306
2009	719.536043570466
2010	739.474190864938
2011	714.787243116248
2012	685.580933149187
2013	744.827673109018
2014	808.865911801408
2015	694.593277499084
2016	636.36355656768
2017	1289.40317451478
2018	1453.89922803522
2019	1595.76851553448
2020	1621.95740349291
2021	1459.27900092399