Year 1 in: rate varies by country 2000 290 2001 310 2002 320 2003 370 2004 360 2005 370 2006 400 2007 420 2008 440 2009 460 2010 480 2011 500 2012 510 2013 510 2014 640 2015 640 2016 670 2017 680 2018 660 2019 580 2020 600