Year	% of births
2000	14.8729771
2001	14.83255132
2002	14.7909264
2003	14.74256671
2004	14.69971993
2005	14.65438152
2006	14.61056258
2007	14.5723425
2008	14.53946026
2009	14.50608594
2010	14.46713546
2011	14.40898987
2012	14.34531714
2013	14.27882493
2014	14.21189347
2015	14.13415042
2016	14.0545864
2017	13.96408959
2018	13.86746675
2019	13.77480082
2020	13.68120587