Year 1 in: rate varies by country 2000 26 2001 29 2002 28 2003 29 2004 30 2005 34 2006 35 2007 36 2008 36 2009 37 2010 41 2011 41 2012 45 2013 47 2014 46 2015 45 2016 48 2017 54 2018 54 2019 58 2020 59