Year 1 in: rate varies by country 2000 18 2001 19 2002 20 2003 22 2004 26 2005 28 2006 31 2007 33 2008 35 2009 39 2010 42 2011 48 2012 53 2013 55 2014 54 2015 61 2016 62 2017 66 2018 71 2019 77 2020 79