Year 1 in: rate varies by country 2000 390 2001 420 2002 440 2003 480 2004 460 2005 490 2006 510 2007 520 2008 530 2009 570 2010 600 2011 600 2012 640 2013 680 2014 700 2015 720 2016 740 2017 750 2018 820 2019 880 2020 870