Year 1 in: rate varies by country 2000 810 2001 880 2002 1200 2003 1100 2004 1100 2005 1700 2006 1700 2007 1700 2008 1200 2009 1300 2010 1900 2011 1800 2012 1900 2013 2000 2014 3200 2015 2100 2016 3400 2017 3400 2018 3800 2019 3800 2020 2700