Year	% of births
2000	18.008357310716974
2001	18.058622374853012
2002	18.00964728621926
2003	17.922259423139582
2004	17.745641901756475
2005	17.501418820446787
2006	17.329533341339264
2007	17.130986468877
2008	16.944247497964607
2009	16.823045239877906
2010	16.656853633454393
2011	16.248121069730704
2012	15.872742221563303
2013	15.939513647117732
2014	15.564583658561428
2015	15.706307456736987
2016	15.350967406564495
2017	15.308591282071555
2018	15.471100499258485
2019	15.387015640277887
2020	15.577654909626029