Year per 100,000 female population 2000 3.5 2001 3.3 2002 3.5 2003 3.6 2004 3.5 2005 3.5 2006 3.4 2007 3.1 2008 6.9 2009 2.6 2010 2.3 2011 2.2 2012 2 2013 2 2014 2 2015 1.9 2016 1.9 2017 1.7 2018 1.8 2019 1.5