Year 1 in: rate varies by country 2000 170 2001 170 2002 170 2003 170 2004 170 2005 180 2006 170 2007 170 2008 160 2009 170 2010 180 2011 190 2012 190 2013 190 2014 230 2015 220 2016 290 2017 310 2018 370 2019 360 2020 350