Year 1 in: rate varies by country 2000 32 2001 33 2002 33 2003 35 2004 35 2005 35 2006 36 2007 41 2008 40 2009 40 2010 44 2011 45 2012 48 2013 55 2014 51 2015 56 2016 57 2017 57 2018 66 2019 64 2020 66