Year	% of births
2000	31.33477296854478
2001	31.163326380764826
2002	30.970629196126822
2003	30.753232607130027
2004	30.52264902155237
2005	30.285444861493936
2006	30.034970633413867
2007	29.78768408329747
2008	29.560991331545527
2009	29.336816147440647
2010	29.110763676959213
2011	28.880182039580728
2012	28.64055775424589
2013	28.388818931912404
2014	28.11430727192004
2015	27.850623739816434
2016	27.57460979985134
2017	27.3006156393597
2018	27.05597807993347
2019	26.83728272044297
2020	26.655111618389867