Year 1 in: rate varies by country 2000 29 2001 30 2002 31 2003 32 2004 34 2005 35 2006 36 2007 37 2008 37 2009 38 2010 40 2011 42 2012 43 2013 44 2014 45 2015 47 2016 49 2017 50 2018 52 2019 53 2020 56