Year current international $ 2000 127.13907201644528 2001 136.11948592096348 2002 141.88177763202034 2003 149.27108993630716 2004 158.44782985728196 2005 170.79344267206037 2006 180.88766963549506 2007 191.5591236185404 2008 201.58743292366188 2009 214.06301598740365 2010 221.14983244192155 2011 231.59820804609873 2012 246.80524660905095 2013 264.31115501741493 2014 268.3585181394096 2015 275.6546859536161 2016 289.71963359575636 2017 299.80622599567056 2018 318.5673299757907 2019 336.3911606158988 2020 343.7468417853811 2021 372.9042883732363