Year	% of births
2000	14.63926025
2001	14.66167514
2002	14.69797438
2003	14.75147699
2004	14.795239
2005	14.8372123
2006	14.8990288
2007	14.95415399
2008	15.02329711
2009	15.10639169
2010	15.1693965
2011	15.21670675
2012	15.26385873
2013	15.30863316
2014	15.35383864
2015	15.38707948
2016	15.41505696
2017	15.42321265
2018	15.4159539
2019	15.40439088
2020	15.39718187