Year per 100,000 female population 2000 4.6 2001 5.8 2002 5.8 2003 5.3 2004 5.8 2005 5.9 2006 5.7 2007 5 2008 6.3 2009 5.6 2010 5.8 2011 4.4 2012 5.9 2013 5.2 2014 4.7 2015 5.4 2016 4.7 2017 4 2018 3.8 2019 4.1