Year 1 in: rate varies by country 2000 260 2001 270 2002 310 2003 290 2004 340 2005 320 2006 320 2007 350 2008 330 2009 400 2010 400 2011 410 2012 500 2013 490 2014 470 2015 480 2016 580 2017 570 2018 560 2019 550 2020 510