Year 1 in: rate varies by country 2000 790 2001 880 2002 1000 2003 910 2004 1000 2005 1000 2006 1000 2007 1100 2008 1100 2009 1300 2010 1200 2011 1300 2012 1400 2013 1600 2014 1700 2015 1900 2016 2000 2017 2000 2018 2100 2019 2200 2020 2200