{"entity":{"iso2":"LK","iso3":"LKA","name":"Sri Lanka","slug":"sri-lanka"},"indicator":{"licence":"CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)","slug":"pupil-qualified-teacher-ratio-in-pre-primary-education-headcount-basis-2","source":"UNESCO Institute for Statistics","source_url":"https://data.uis.unesco.org/?indicator=PTRHC.02.QUALIFIED","title":"Pupil-qualified teacher ratio in pre-primary education (headcount basis)","unit":"headcount basis"},"observations":[{"date":"2010-01-01","value":17.5429},{"date":"2011-01-01","value":17.8224},{"date":"2012-01-01","value":19.3971},{"date":"2013-01-01","value":18.9891},{"date":"2014-01-01","value":16.42},{"date":"2015-01-01","value":17.4313},{"date":"2016-01-01","value":17.4428},{"date":"2017-01-01","value":16.3072},{"date":"2018-01-01","value":15.016},{"date":"2019-01-01","value":13.7367},{"date":"2021-01-01","value":22.0186},{"date":"2022-01-01","value":15.9627},{"date":"2023-01-01","value":18.5838}],"summary":{"latest_period":"2023-01-01","latest_value":18.5838,"max":22.0186,"mean":17.4362,"min":13.7367,"of":84,"rank":39,"trend":"flat"}}