Year	% of one-year-old children
1991	1
1992	1
1993	1
1994	4
1995	23
1996	56
1997	97
1998	99
1999	99
2000	99
2001	95
2002	98
2003	97
2004	98
2005	98
2006	98
2007	98
2008	98
2009	98
2010	98
2011	98
2012	97
2013	96
2014	96
2015	96
2016	95
2017	93
2018	91
2019	91
2020	90
2021	90
2022	90