{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-teacher-ratio-primary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.PRM.ENRL.TC.ZS","title":"Pupil-teacher ratio, primary","unit":null},"observations":[{"date":"1970-01-01","value":27.1505},{"date":"1971-01-01","value":25.3333},{"date":"1972-01-01","value":25.8037},{"date":"1973-01-01","value":26.0343},{"date":"1974-01-01","value":25.3473},{"date":"1975-01-01","value":27.9942},{"date":"1976-01-01","value":25.3898},{"date":"1978-01-01","value":25.9264},{"date":"1979-01-01","value":24.1369},{"date":"1980-01-01","value":24.3431},{"date":"1981-01-01","value":24.9842},{"date":"1982-01-01","value":21.0605},{"date":"1983-01-01","value":19.6262},{"date":"1984-01-01","value":20.8901},{"date":"1985-01-01","value":22.875},{"date":"1986-01-01","value":22.3113},{"date":"1987-01-01","value":21.6516},{"date":"1990-01-01","value":23.9797},{"date":"1991-01-01","value":23.4286},{"date":"1992-01-01","value":21.2474},{"date":"1993-01-01","value":22.2706},{"date":"1994-01-01","value":23.5949},{"date":"1995-01-01","value":21.2398},{"date":"1996-01-01","value":20.9664},{"date":"1997-01-01","value":21.0202},{"date":"1998-01-01","value":21.8883},{"date":"1999-01-01","value":20.9004},{"date":"2000-01-01","value":22.1446},{"date":"2001-01-01","value":20.6962},{"date":"2002-01-01","value":22.1281},{"date":"2003-01-01","value":21.7124},{"date":"2004-01-01","value":20.3001},{"date":"2005-01-01","value":20.3004},{"date":"2006-01-01","value":22.2908},{"date":"2007-01-01","value":25.4015},{"date":"2008-01-01","value":25.0632},{"date":"2009-01-01","value":24.5868},{"date":"2010-01-01","value":24.8863},{"date":"2011-01-01","value":24.1261},{"date":"2012-01-01","value":21.1054},{"date":"2013-01-01","value":25.7478},{"date":"2014-01-01","value":21.8581},{"date":"2015-01-01","value":21.6331}],"summary":{"latest_period":"2015-01-01","latest_value":21.6331,"max":27.9942,"mean":23.1483,"min":19.6262,"of":199,"rank":86,"trend":"falling"}}