{"entity":{"iso2":"XE","iso3":"HPC","name":"Heavily indebted poor countries (HIPC)","slug":"heavily-indebted-poor-countries-hipc"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-teacher-ratio-secondary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.SEC.ENRL.TC.ZS","title":"Pupil-teacher ratio, secondary","unit":null},"observations":[{"date":"1971-01-01","value":21.5391},{"date":"1972-01-01","value":21.6726},{"date":"1973-01-01","value":21.7449},{"date":"1974-01-01","value":22.1188},{"date":"1975-01-01","value":22.4447},{"date":"1976-01-01","value":22.7185},{"date":"1977-01-01","value":22.9349},{"date":"1978-01-01","value":23.1239},{"date":"1979-01-01","value":23.161},{"date":"1980-01-01","value":23.4864},{"date":"1981-01-01","value":23.4485},{"date":"1982-01-01","value":23.3696},{"date":"1983-01-01","value":23.288},{"date":"1984-01-01","value":23.1816},{"date":"1985-01-01","value":23.2408},{"date":"1986-01-01","value":23.3998},{"date":"1987-01-01","value":22.7383},{"date":"1988-01-01","value":22.3681},{"date":"1989-01-01","value":22.2451},{"date":"1990-01-01","value":22.4246},{"date":"1991-01-01","value":22.3184},{"date":"1992-01-01","value":22.2258},{"date":"1993-01-01","value":22.1962},{"date":"1994-01-01","value":22.5827},{"date":"1995-01-01","value":22.9016},{"date":"1996-01-01","value":22.7165},{"date":"1997-01-01","value":22.6582},{"date":"1998-01-01","value":22.8611},{"date":"1999-01-01","value":22.9454},{"date":"2000-01-01","value":23.4449},{"date":"2001-01-01","value":23.3116},{"date":"2002-01-01","value":23.6356},{"date":"2003-01-01","value":23.5515},{"date":"2004-01-01","value":24.1577},{"date":"2005-01-01","value":23.8806},{"date":"2006-01-01","value":23.9268},{"date":"2007-01-01","value":23.6349},{"date":"2008-01-01","value":23.6981},{"date":"2009-01-01","value":23.3025},{"date":"2010-01-01","value":23.2445},{"date":"2011-01-01","value":23.3124},{"date":"2012-01-01","value":23.0489},{"date":"2013-01-01","value":22.0726},{"date":"2014-01-01","value":21.8856},{"date":"2015-01-01","value":21.4446},{"date":"2016-01-01","value":21.1948},{"date":"2017-01-01","value":20.9746},{"date":"2018-01-01","value":21.3706}],"summary":{"latest_period":"2018-01-01","latest_value":21.3706,"max":24.1577,"mean":22.7739,"min":20.9746,"of":41,"rank":12,"trend":"flat"}}