Year current international $ 2000 192.890636245327 2001 171.812953612874 2002 144.379573324133 2003 137.413925649683 2004 154.534073486357 2005 140.295667597403 2006 108.415196205064 2007 196.442285196137 2008 144.951816737829 2009 149.204568244805 2010 133.406823485002 2011 176.222969216473 2012 183.825873769237 2013 216.63419361348 2014 196.789277822476 2015 227.156808537834 2016 254.491350948706 2017 245.57137623035 2018 315.285191386346 2019 326.769276656027 2020 291.208233648257 2021 286.92778424374