Year	% of births
2000	12.35256361
2001	12.29403558
2002	12.21999992
2003	12.14064349
2004	12.05094276
2005	11.96972342
2006	11.892393
2007	11.82591942
2008	11.78615409
2009	11.7613132
2010	11.74182462
2011	11.73281531
2012	11.71914061
2013	11.69385633
2014	11.6671765
2015	11.62824096
2016	11.57356018
2017	11.52406252
2018	11.47760321
2019	11.45118534
2020	11.43096562