{"entity":{"iso2":"PT","iso3":"PRT","name":"Portugal","slug":"portugal"},"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":24.7616},{"date":"1972-01-01","value":24.6206},{"date":"1973-01-01","value":25.2853},{"date":"1974-01-01","value":24.6431},{"date":"1975-01-01","value":23.2186},{"date":"1976-01-01","value":23.5586},{"date":"1977-01-01","value":21.2605},{"date":"1978-01-01","value":19.9627},{"date":"1979-01-01","value":18.6119},{"date":"1980-01-01","value":19.288},{"date":"1981-01-01","value":19.849},{"date":"1982-01-01","value":20.335},{"date":"1983-01-01","value":19.0717},{"date":"1984-01-01","value":19.5163},{"date":"1985-01-01","value":18.3971},{"date":"1986-01-01","value":19.9889},{"date":"1987-01-01","value":26.965},{"date":"1988-01-01","value":25.5603},{"date":"1990-01-01","value":18.0475},{"date":"1991-01-01","value":18.7062},{"date":"1994-01-01","value":18.9592},{"date":"2000-01-01","value":16.4934},{"date":"2001-01-01","value":16.9888},{"date":"2002-01-01","value":16.8732},{"date":"2003-01-01","value":17.4337},{"date":"2004-01-01","value":17.5283},{"date":"2005-01-01","value":15.4067},{"date":"2006-01-01","value":14.9972},{"date":"2007-01-01","value":15.8978},{"date":"2008-01-01","value":15.661},{"date":"2009-01-01","value":15.7371},{"date":"2010-01-01","value":15.6515},{"date":"2011-01-01","value":15.7795},{"date":"2012-01-01","value":16.1347},{"date":"2013-01-01","value":16.3288},{"date":"2014-01-01","value":17.0542},{"date":"2015-01-01","value":17.2025},{"date":"2016-01-01","value":16.9637},{"date":"2017-01-01","value":16.5607}],"summary":{"latest_period":"2017-01-01","latest_value":16.5607,"max":26.965,"mean":19.1103,"min":14.9972,"of":182,"rank":94,"trend":"falling"}}