Year	% of births
2000	17.17677181
2001	17.17616245
2002	17.15690053
2003	17.11680143
2004	17.05776765
2005	16.97958025
2006	16.91046577
2007	16.8488708
2008	16.78825359
2009	16.75032076
2010	16.70265985
2011	16.6618405
2012	16.63272864
2013	16.6097749
2014	16.60283462
2015	16.60022472
2016	16.61643655
2017	16.62769864
2018	16.63319905
2019	16.63758315
2020	16.63838895