Year 1 in: rate varies by country 2000 940 2001 1300 2002 1400 2003 1400 2004 1600 2005 2800 2006 3000 2007 3300 2008 3700 2009 4000 2010 5900 2011 5000 2012 7100 2013 8000 2014 9500 2015 10000 2016 7000 2017 6900 2018 10000 2019 12000 2020 15000