Year current international $ 2000 76.07757047945044 2001 79.61448591422604 2002 77.85072115868954 2003 115.8365825201239 2004 117.2572447365056 2005 121.62128867791333 2006 122.92074807550068 2007 122.53791094337389 2008 125.9306777825262 2009 135.72473085871218 2010 127.17435296082608 2011 133.81660057302446 2012 135.46359428214325 2013 144.72424143456828 2014 151.77305156620542 2015 157.40772199071256 2016 152.9858894627652 2017 155.15058135364606 2018 143.32088021686093 2019 147.7569190817689 2020 160.78988386931388 2021 183.88217178599157