Year current international $ 2000 26.5401207844104 2001 27.4773235791475 2002 29.0478018649039 2003 32.7476288181216 2004 45.6828981517137 2005 46.4789991799228 2006 56.3799114513479 2007 67.8012750506277 2008 63.0415647248069 2009 69.3584307868049 2010 76.213871353713 2011 71.4413548830863 2012 72.1729771233411 2013 90.6441017393901 2014 81.9008595636002 2015 85.0829892774782 2016 109.173846183119 2017 119.803244043678 2018 105.126206758401 2019 116.968663626614 2020 143.588514839194 2021 152.708889475704