Year current international $ 2000 46.530227369878055 2001 48.407442678748225 2002 53.50075743548559 2003 59.46809630393554 2004 63.57397575234023 2005 67.98507279915977 2006 76.57152479183983 2007 82.41251490686305 2008 84.38206825238098 2009 92.51919849815847 2010 91.57527544094016 2011 90.78355815507952 2012 89.44302256040608 2013 95.4636967197331 2014 100.69516161019104 2015 99.58548659150156 2016 109.43773341929808 2017 105.70790737585507 2018 101.33269520025 2019 104.37969853630632 2020 107.46199071583098 2021 111.80304216822431