Year current international $ 2000 82.29127837267879 2001 89.93797523712156 2002 93.16464814783176 2003 100.27256417917938 2004 105.5244850248926 2005 115.58545196063422 2006 121.39225865928225 2007 125.73886540003423 2008 129.75636030498796 2009 137.2043844797213 2010 140.1170884834504 2011 145.99195237933952 2012 156.066240047745 2013 167.90606904242588 2014 167.97229137910267 2015 171.02392466912468 2016 177.03760760657838 2017 176.251563645769 2018 183.9849227698975 2019 193.09448639020184 2020 195.47994771184432 2021 209.93933804487688