Year	% of births
2000	9.255874006584826
2001	9.297489790976108
2002	9.33569931686285
2003	9.368984390511477
2004	9.38119847306318
2005	9.382684651451576
2006	9.388494401284527
2007	9.39417779108952
2008	9.404831203073448
2009	9.414478198276106
2010	9.423383354968804
2011	9.434259702176318
2012	9.448565410828122
2013	9.458798945713154
2014	9.469014423933569
2015	9.48559510880456
2016	9.519723152703314
2017	9.536687262508213
2018	9.55675065968605
2019	9.571476749830959
2020	9.59188698691149