Year 1 in: rate varies by country 2000 71 2001 47 2002 63 2003 54 2004 58 2005 53 2006 50 2007 42 2008 37 2009 37 2010 39 2011 41 2012 43 2013 45 2014 54 2015 58 2016 59 2017 70 2018 71 2019 65 2020 71