Year % of births 2000 16.568994 2001 16.6229841 2002 16.5452548 2003 16.429444 2004 16.2645707 2005 16.0839556 2006 15.8875133 2007 15.7097894 2008 15.538529 2009 15.4212737 2010 15.3210367 2011 15.2135806 2012 15.0010297 2013 14.9692176 2014 14.7607306 2015 14.756105 2016 14.6215251 2017 14.5056195 2018 14.6457713 2019 14.6201805 2020 14.7171562