{"entity":{"iso2":"XF","iso3":"IBD","name":"IBRD only","slug":"ibrd-only"},"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":"1973-01-01","value":15.7273},{"date":"1974-01-01","value":15.9839},{"date":"1975-01-01","value":16.0548},{"date":"1976-01-01","value":17.1579},{"date":"1977-01-01","value":18.8323},{"date":"1978-01-01","value":17.6675},{"date":"1979-01-01","value":17.6619},{"date":"1980-01-01","value":18.1194},{"date":"1981-01-01","value":18.8396},{"date":"1982-01-01","value":18.3154},{"date":"1983-01-01","value":18.2089},{"date":"1984-01-01","value":18.0095},{"date":"1985-01-01","value":17.9298},{"date":"1986-01-01","value":18.0663},{"date":"1987-01-01","value":18.1661},{"date":"1988-01-01","value":18.3335},{"date":"1989-01-01","value":18.455},{"date":"1990-01-01","value":17.971},{"date":"1991-01-01","value":17.7872},{"date":"1992-01-01","value":18.3195},{"date":"1993-01-01","value":19.209},{"date":"1994-01-01","value":19.3775},{"date":"1995-01-01","value":19.5696},{"date":"1996-01-01","value":19.6871},{"date":"1997-01-01","value":19.446},{"date":"1998-01-01","value":19.4381},{"date":"1999-01-01","value":18.4883},{"date":"2000-01-01","value":17.2393},{"date":"2001-01-01","value":17.6087},{"date":"2002-01-01","value":17.1932},{"date":"2003-01-01","value":16.6601},{"date":"2004-01-01","value":16.4553},{"date":"2005-01-01","value":15.8287},{"date":"2006-01-01","value":16.718},{"date":"2007-01-01","value":16.6891},{"date":"2008-01-01","value":16.6839},{"date":"2009-01-01","value":17.1737},{"date":"2010-01-01","value":17.7104},{"date":"2011-01-01","value":17.6516},{"date":"2012-01-01","value":17.8646},{"date":"2013-01-01","value":18.4206},{"date":"2014-01-01","value":17.9037},{"date":"2015-01-01","value":17.6088},{"date":"2016-01-01","value":17.3729},{"date":"2017-01-01","value":16.9564},{"date":"2018-01-01","value":16.7207}],"summary":{"latest_period":"2018-01-01","latest_value":16.7207,"max":19.6871,"mean":17.767,"min":15.7273,"of":43,"rank":28,"trend":"flat"}}