{"entity":{"iso2":"XN","iso3":"LMC","name":"Lower middle income","slug":"lower-middle-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":"1977-01-01","value":21.3046},{"date":"1978-01-01","value":20.8801},{"date":"1979-01-01","value":20.9597},{"date":"1980-01-01","value":21.2186},{"date":"1981-01-01","value":22.3728},{"date":"1982-01-01","value":22.5903},{"date":"1983-01-01","value":22.2481},{"date":"1984-01-01","value":22.4375},{"date":"1985-01-01","value":21.9379},{"date":"1986-01-01","value":21.6638},{"date":"1987-01-01","value":21.3078},{"date":"1988-01-01","value":21.2802},{"date":"1989-01-01","value":21.9475},{"date":"1990-01-01","value":21.4263},{"date":"1991-01-01","value":21.2457},{"date":"1992-01-01","value":20.7781},{"date":"1993-01-01","value":20.3324},{"date":"1994-01-01","value":20.3484},{"date":"1995-01-01","value":20.2851},{"date":"1996-01-01","value":19.8879},{"date":"1997-01-01","value":19.3983},{"date":"1998-01-01","value":19.2018},{"date":"1999-01-01","value":17.0156},{"date":"2000-01-01","value":14.4955},{"date":"2001-01-01","value":15.7908},{"date":"2002-01-01","value":15.5183},{"date":"2003-01-01","value":15.6035},{"date":"2004-01-01","value":15.3275},{"date":"2005-01-01","value":15.0864},{"date":"2006-01-01","value":15.6537},{"date":"2007-01-01","value":15.7938},{"date":"2008-01-01","value":15.8927},{"date":"2009-01-01","value":16.9144},{"date":"2010-01-01","value":17.267},{"date":"2011-01-01","value":18.1966},{"date":"2012-01-01","value":19.2314},{"date":"2013-01-01","value":19.6363},{"date":"2014-01-01","value":18.6053},{"date":"2015-01-01","value":19.2584},{"date":"2016-01-01","value":19.8606},{"date":"2017-01-01","value":19.6451},{"date":"2018-01-01","value":19.5874}],"summary":{"latest_period":"2018-01-01","latest_value":19.5874,"max":22.5903,"mean":19.2722,"min":14.4955,"of":43,"rank":17,"trend":"falling"}}