Year	% of births
2000	14.107804295657193
2001	14.161049441501884
2002	14.150065428020485
2003	14.068301297399254
2004	13.9490714190621
2005	13.848301538596285
2006	13.707660594331731
2007	13.550967842473213
2008	13.430559786225029
2009	13.381931148432914
2010	13.43168058493033
2011	13.510109511730281
2012	13.541575105434923
2013	13.57663202564343
2014	13.605002063775608
2015	13.63917742953577
2016	13.681138298960509
2017	13.7622119523615
2018	13.728763721021107
2019	13.75553613208759
2020	13.82024413576323