Year	% of births
2000	16.43884271
2001	16.4230868
2002	16.39375991
2003	16.34675337
2004	16.2999004
2005	16.26049837
2006	16.22717012
2007	16.20396645
2008	16.17653405
2009	16.13674966
2010	16.07762187
2011	15.99578444
2012	15.90399395
2013	15.80797267
2014	15.7315225
2015	15.67459946
2016	15.64213986
2017	15.62707749
2018	15.6132767
2019	15.60039986
2020	15.58151943