Year	% of children ages 12-23 months
1980	47.44141786078701
1981	49.75112911436277
1982	51.016128518828985
1983	59.61480810667333
1984	60.82987492457635
1985	58.38593687173301
1986	59.85760788324613
1987	75.23215139588774
1988	84.63539611196376
1989	83.40797596136389
1990	89.03942713940633
1991	86.4830869569134
1992	87.28018213046123
1993	85.30750749681886
1994	83.50624122050534
1995	84.05573321962832
1996	85.21381159728122
1997	81.83642775279908
1998	82.60894864447873
1999	85.82586529301767
2000	85.92558913370716
2001	84.64319450032362
2002	84.78204192303681
2003	86.51261602937102
2004	84.82671237596472
2005	86.29240381734925
2006	87.78311161044864
2007	88.30341696776748
2008	85.22335025380711
2009	88.11946183036814
2010	88.69078424051557
2011	91.68952217526922
2012	91.44901942041453
2013	89.47816633735647
2014	86.11128632930156
2015	88.46255720644474
2016	88.79287663947568
2017	84.9109460657062
2018	84.57965644732796
2019	91.44427459149486
2020	92.20695398378884
2021	86.77503235487943
2022	87.31775277685084