Year per 100,000 female population 2000 2.3 2001 2.2 2002 2 2003 1.9 2004 1.7 2005 2.2 2006 2.1 2007 2.1 2008 2.1 2009 2.1 2010 2.1 2011 2 2012 2 2013 2 2014 2.1 2015 1.9 2016 1.8 2017 1.8 2018 1.6 2019 1.4