Year 1 in: rate varies by country 2000 160 2001 160 2002 190 2003 180 2004 190 2005 190 2006 190 2007 200 2008 250 2009 260 2010 250 2011 260 2012 270 2013 280 2014 280 2015 290 2016 290 2017 300 2018 310 2019 330 2020 330