OECD early childhood ST_TCHR ratios 2015-2019 (ISCED11_0)
Czechia 2015 13.455130; 2016 13.403190; 2017 13.168330; 2018 13.069800; 2019 12.970470
Ireland 2015 no observation; 2016 no observation; 2017 no observation; 2018 4.209609; 2019 3.962282
Luxembourg 2015 10.796650; 2016 11.463890; 2017 14.470090; 2018 12.110190; 2019 11.800330
New Zealand 2015 5.011409; 2016 4.954104; 2017 4.902610; 2018 4.894094; 2019 4.529504
Switzerland 2015 16.363140; 2016 16.355430; 2017 16.272080; 2018 16.516900; 2019 16.267680