Year 1 in: rate varies by country 2000 27 2001 30 2002 30 2003 31 2004 36 2005 37 2006 39 2007 39 2008 38 2009 45 2010 45 2011 47 2012 55 2013 55 2014 58 2015 58 2016 59 2017 69 2018 74 2019 75 2020 77