{"entity":{"iso2":"VN","iso3":"VNM","name":"Vietnam","slug":"viet-nam"},"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":33.4367},{"date":"1978-01-01","value":28.1237},{"date":"1979-01-01","value":26.4501},{"date":"1980-01-01","value":27.1305},{"date":"1981-01-01","value":27.7011},{"date":"1982-01-01","value":24.2766},{"date":"1983-01-01","value":23.3016},{"date":"1985-01-01","value":26.0264},{"date":"1986-01-01","value":25.8937},{"date":"1987-01-01","value":23.793},{"date":"1990-01-01","value":22.2104},{"date":"1991-01-01","value":23.4694},{"date":"1992-01-01","value":21.4341},{"date":"1993-01-01","value":21.948},{"date":"1994-01-01","value":24.9698},{"date":"1995-01-01","value":26.5628},{"date":"1996-01-01","value":25.7431},{"date":"1997-01-01","value":24.795},{"date":"1998-01-01","value":23.7815},{"date":"1999-01-01","value":23.1816},{"date":"2000-01-01","value":22.0507},{"date":"2001-01-01","value":21.4376},{"date":"2002-01-01","value":20.5693},{"date":"2003-01-01","value":20.7664},{"date":"2004-01-01","value":20.3913},{"date":"2011-01-01","value":19.3155},{"date":"2012-01-01","value":19.0814},{"date":"2013-01-01","value":18.8711},{"date":"2014-01-01","value":17.6344},{"date":"2015-01-01","value":17.423},{"date":"2016-01-01","value":17.1357},{"date":"2017-01-01","value":17.5827},{"date":"2018-01-01","value":17.2702}],"summary":{"latest_period":"2018-01-01","latest_value":17.2702,"max":33.4367,"mean":22.8412,"min":17.1357,"of":182,"rank":88,"trend":"falling"}}