Year 1 in: rate varies by country 2000 27 2001 27 2002 28 2003 30 2004 31 2005 32 2006 34 2007 34 2008 35 2009 37 2010 39 2011 41 2012 43 2013 45 2014 48 2015 50 2016 53 2017 55 2018 58 2019 60 2020 62