Year 1 in: rate varies by country 2000 7600 2001 7900 2002 8100 2003 8300 2004 8700 2005 8900 2006 9200 2007 9400 2008 9100 2009 9000 2010 9400 2011 9500 2012 9800 2013 10100 2014 10400 2015 10800 2016 10600 2017 10800 2018 11200 2019 11700 2020 11600