Year current international $ 2000 10.3095485115495 2001 7.38785616793714 2002 14.8139652031599 2003 10.6500619198192 2004 14.3481155934834 2005 10.6668007506075 2006 10.5016268128788 2007 14.3704933269398 2008 13.4155109139094 2009 14.8025816360115 2010 14.4412918644215 2011 17.4184095854856 2012 20.553835088145 2013 12.7146340960472 2014 12.9980150961735 2015 11.3126112343892 2016 11.52817363359 2017 10.2058913776393 2018 13.5986925675196 2019 4.80113896156073 2020 50.028711711632 2021 86.2686497754922