Year	% of births
2000	8.66577068148338
2001	8.727309667266912
2002	8.754779599816416
2003	8.767827336603188
2004	8.726833273468923
2005	8.655442617836913
2006	8.66398978402856
2007	8.622202053412977
2008	8.57626033247209
2009	8.570424425599843
2010	8.525917120652437
2011	8.260534024048718
2012	8.05930018840785
2013	8.215863644106369
2014	8.04590819577469
2015	8.242727621680917
2016	7.953065134170681
2017	8.03311039627819
2018	8.27372872144181
2019	8.333015415763333
2020	8.710318412580873