{"entity":{"iso2":"XD","iso3":"HIC","name":"High income","slug":"high-income"},"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":"1971-01-01","value":22.5668},{"date":"1972-01-01","value":22.3395},{"date":"1973-01-01","value":22.6691},{"date":"1974-01-01","value":22.9086},{"date":"1975-01-01","value":23.1694},{"date":"1976-01-01","value":22.992},{"date":"1977-01-01","value":22.6649},{"date":"1978-01-01","value":22.5118},{"date":"1979-01-01","value":22.1764},{"date":"1980-01-01","value":21.8376},{"date":"1981-01-01","value":21.506},{"date":"1982-01-01","value":21.1649},{"date":"1983-01-01","value":20.8665},{"date":"1984-01-01","value":20.621},{"date":"1985-01-01","value":20.4912},{"date":"1986-01-01","value":20.4457},{"date":"1987-01-01","value":20.3134},{"date":"1988-01-01","value":20.0863},{"date":"1989-01-01","value":19.818},{"date":"1990-01-01","value":19.5647},{"date":"1991-01-01","value":19.33},{"date":"1992-01-01","value":19.4926},{"date":"1993-01-01","value":19.5829},{"date":"1994-01-01","value":19.4851},{"date":"1995-01-01","value":19.5059},{"date":"1996-01-01","value":19.748},{"date":"1997-01-01","value":19.5121},{"date":"1998-01-01","value":20.2181},{"date":"1999-01-01","value":19.4189},{"date":"2000-01-01","value":18.97},{"date":"2001-01-01","value":18.5236},{"date":"2002-01-01","value":17.6889},{"date":"2003-01-01","value":17.0612},{"date":"2004-01-01","value":16.51},{"date":"2005-01-01","value":16.7022},{"date":"2006-01-01","value":16.2511},{"date":"2007-01-01","value":16.0353},{"date":"2008-01-01","value":16.0427},{"date":"2009-01-01","value":15.6787},{"date":"2010-01-01","value":15.0623},{"date":"2011-01-01","value":14.6006},{"date":"2012-01-01","value":14.143},{"date":"2013-01-01","value":14.0884},{"date":"2014-01-01","value":14.0328},{"date":"2015-01-01","value":14.1134},{"date":"2016-01-01","value":14.3364},{"date":"2017-01-01","value":14.3179},{"date":"2018-01-01","value":14.2111}],"summary":{"latest_period":"2018-01-01","latest_value":14.2111,"max":23.1694,"mean":18.862,"min":14.0328,"of":null,"rank":null,"trend":"falling"}}