Year	% of births
2000	12.07471447
2001	12.15594522
2002	12.22222394
2003	12.28399329
2004	12.3417279
2005	12.39937414
2006	12.47066432
2007	12.5479593
2008	12.63846616
2009	12.73586837
2010	12.83015901
2011	12.92585114
2012	13.01825922
2013	13.10750813
2014	13.19707662
2015	13.28584757
2016	13.37683687
2017	13.4694999
2018	13.56911773
2019	13.68390973
2020	13.81137628