Year per 100,000 female population 2000 4.4 2001 3.9 2002 3.6 2003 3.2 2004 2.7 2005 3 2006 3 2007 3.4 2008 3.4 2009 3.3 2010 3.4 2011 3.1 2012 3 2013 3.2 2014 3.1 2015 2.9 2016 2.8 2017 2.8 2018 3.1 2019 3.2