Year 1 in: rate varies by country 2000 280 2001 300 2002 310 2003 330 2004 350 2005 370 2006 390 2007 410 2008 430 2009 450 2010 460 2011 480 2012 500 2013 510 2014 540 2015 530 2016 580 2017 590 2018 640 2019 630 2020 660