Year	% of births
2000	12.33389863
2001	12.38421494
2002	12.43825365
2003	12.4995795
2004	12.56608851
2005	12.63905338
2006	12.71783674
2007	12.79842678
2008	12.8856634
2009	12.96599477
2010	13.04585152
2011	13.13138309
2012	13.20635701
2013	13.2773432
2014	13.34711363
2015	13.40463329
2016	13.45907382
2017	13.50721456
2018	13.55716814
2019	13.60193948
2020	13.64151602