Year current international $ 2000 76.9545764337119 2001 81.8929047893338 2002 72.733005488212 2003 156.596613257562 2004 154.801863956706 2005 160.672748335309 2006 159.716078368823 2007 157.582020216486 2008 162.45791507666 2009 173.117443476886 2010 155.096197940827 2011 162.319547782111 2012 165.181128999744 2013 175.708883468946 2014 181.344918916091 2015 191.349064125757 2016 188.2079135141 2017 191.878609655849 2018 161.067554705078 2019 157.949735583775 2020 173.478128261402 2021 220.443166093149