Year	% of births
2000	15.06884037
2001	15.11335124
2002	15.16748582
2003	15.23215247
2004	15.29387318
2005	15.36604798
2006	15.43026686
2007	15.49895151
2008	15.57947199
2009	15.65506065
2010	15.7488079
2011	15.82641078
2012	15.91238874
2013	15.99633327
2014	16.07927396
2015	16.15060345
2016	16.19818313
2017	16.23189839
2018	16.26289757
2019	16.27488605
2020	16.27413873