Year 1 in: rate varies by country 2000 1700 2001 1800 2002 1700 2003 1800 2004 1800 2005 2600 2006 1900 2007 2800 2008 2700 2009 1900 2010 2700 2011 2300 2012 2300 2013 2000 2014 1800 2015 1700 2016 1700 2017 1500 2018 1200 2019 1100 2020 1000