Year 1 in: rate varies by country 2000 1100 2001 1500 2002 1600 2003 1600 2004 1700 2005 1700 2006 2300 2007 2400 2008 2500 2009 2600 2010 2700 2011 2100 2012 2100 2013 2100 2014 2100 2015 2100 2016 2100 2017 2100 2018 2700 2019 2500 2020 2300