{"entity":{"iso2":"OE","iso3":"OED","name":"OECD members","slug":"oecd-members"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-teacher-ratio-preprimary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.PRE.ENRL.TC.ZS","title":"Pupil-teacher ratio, preprimary","unit":null},"observations":[{"date":"1970-01-01","value":22.6826},{"date":"1971-01-01","value":22.7036},{"date":"1972-01-01","value":22.5139},{"date":"1973-01-01","value":22.843},{"date":"1974-01-01","value":23.0887},{"date":"1975-01-01","value":23.3459},{"date":"1976-01-01","value":23.1809},{"date":"1977-01-01","value":22.8922},{"date":"1978-01-01","value":22.7462},{"date":"1979-01-01","value":22.4063},{"date":"1980-01-01","value":22.0705},{"date":"1981-01-01","value":21.8111},{"date":"1982-01-01","value":21.5668},{"date":"1983-01-01","value":21.3291},{"date":"1984-01-01","value":21.1259},{"date":"1985-01-01","value":21.0153},{"date":"1986-01-01","value":21.0001},{"date":"1987-01-01","value":20.8476},{"date":"1988-01-01","value":20.628},{"date":"1989-01-01","value":20.3519},{"date":"1990-01-01","value":20.0793},{"date":"1991-01-01","value":19.8298},{"date":"1992-01-01","value":19.9441},{"date":"1993-01-01","value":20.0201},{"date":"1994-01-01","value":19.9145},{"date":"1995-01-01","value":19.9115},{"date":"1996-01-01","value":20.1407},{"date":"1997-01-01","value":19.8148},{"date":"1998-01-01","value":20.5586},{"date":"1999-01-01","value":19.7456},{"date":"2000-01-01","value":19.3461},{"date":"2001-01-01","value":18.902},{"date":"2002-01-01","value":18.0975},{"date":"2003-01-01","value":17.6069},{"date":"2004-01-01","value":17.4925},{"date":"2005-01-01","value":17.797},{"date":"2006-01-01","value":17.4417},{"date":"2007-01-01","value":17.3129},{"date":"2008-01-01","value":17.2792},{"date":"2009-01-01","value":16.8449},{"date":"2010-01-01","value":16.1354},{"date":"2011-01-01","value":15.6708},{"date":"2012-01-01","value":15.1902},{"date":"2013-01-01","value":15.0581},{"date":"2014-01-01","value":14.9643},{"date":"2015-01-01","value":15.0542},{"date":"2016-01-01","value":15.2747},{"date":"2017-01-01","value":15.2953},{"date":"2018-01-01","value":15.1652}],"summary":{"latest_period":"2018-01-01","latest_value":15.1652,"max":23.3459,"mean":19.511,"min":14.9643,"of":43,"rank":33,"trend":"falling"}}