Year	% of births
2000	11.45164078
2001	11.54081409
2002	11.62358159
2003	11.6946608
2004	11.75647321
2005	11.81194158
2006	11.87515649
2007	11.95262145
2008	12.05363719
2009	12.17530766
2010	12.30203279
2011	12.42621794
2012	12.54041719
2013	12.63752396
2014	12.71905614
2015	12.78795207
2016	12.84303341
2017	12.89400252
2018	12.95266852
2019	13.0201067
2020	13.09450185
