Year	% of births
2000	13.543270872386056
2001	13.579835534477276
2002	13.579399999503064
2003	13.531451700138485
2004	13.465767712091948
2005	13.41120005807801
2006	13.315151216465596
2007	13.223092754030791
2008	13.159410692782018
2009	13.144366557122435
2010	13.189910163681578
2011	13.256319283718415
2012	13.289065398041796
2013	13.316372012836915
2014	13.350067019653347
2015	13.382639070066102
2016	13.421656862784406
2017	13.488370701808886
2018	13.479613074158014
2019	13.514374106142231
2020	13.564079742428794