Year per 100,000 female population 2000 4.2 2001 4.6 2002 5.2 2003 4.9 2004 5.4 2005 5.5 2006 6 2007 5.2 2008 4.8 2009 4.4 2010 4 2011 3.9 2012 3.6 2013 3.8 2014 3.3 2015 3.2 2016 3 2017 2.8 2018 2.7 2019 2.7