Year 1 in: rate varies by country 2000 280 2001 380 2002 500 2003 520 2004 530 2005 530 2006 530 2007 620 2008 520 2009 530 2010 600 2011 600 2012 800 2013 850 2014 730 2015 720 2016 810 2017 1000 2018 990 2019 950 2020 850