Year	current international $
2000	257.8537131366439
2001	273.1783079696938
2002	289.26509980270123
2003	311.5244391712974
2004	336.0295335436591
2005	365.9925006762957
2006	399.64644659167993
2007	436.9339208051803
2008	476.31020971594114
2009	534.6604205930527
2010	558.6174467093774
2011	603.9422950803009
2012	646.6246377190444
2013	688.338087918475
2014	725.1611627627301
2015	756.9255669455512
2016	783.2913416468504
2017	824.812301088481
2018	876.7679793752953
2019	931.8842456770899
2020	989.3987443597176
2021	1071.985101243292