Year per 100,000 female population 2000 2.5 2001 2.5 2002 2.4 2003 2.4 2004 2.4 2005 2.3 2006 2.3 2007 2.1 2008 2.2 2009 2 2010 2.3 2011 2.1 2012 2.1 2013 2.1 2014 2.2 2015 2.1 2016 2.1 2017 2 2018 2 2019 1.9