Year	% of births
2000	25.6580856
2001	25.60205254
2002	25.53076891
2003	25.44406191
2004	25.32484513
2005	25.17252216
2006	25.01385613
2007	24.84964498
2008	24.71725437
2009	24.5978801
2010	24.49334285
2011	24.39313339
2012	24.28958134
2013	24.17813493
2014	24.03483604
2015	23.86487466
2016	23.67182874
2017	23.47035394
2018	23.28589806
2019	23.1435331
2020	23.04670249