Year	% of one-year-old children
1990	20
1991	19
1992	12
1993	7
1994	20
1995	23
1996	43
1997	44
1998	47
1999	54
2000	57
2001	59
2002	60
2003	67
2004	60
2005	63
2006	69
2007	58
2008	55
2009	64
2010	55
2011	58
2012	57
2013	59
2014	52
2015	49
2016	46
2017	36
2018	35
2019	35
2020	39
2021	31
2022	36