{"entity":{"iso2":"NG","iso3":"NGA","name":"Nigeria","slug":"nigeria"},"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":"1970-01-01","value":21.2317},{"date":"1972-01-01","value":23.0006},{"date":"1977-01-01","value":44.6912},{"date":"1978-01-01","value":37.7905},{"date":"1979-01-01","value":38.417},{"date":"1980-01-01","value":41.9083},{"date":"1981-01-01","value":44.8453},{"date":"1982-01-01","value":28.7832},{"date":"1983-01-01","value":32.3351},{"date":"1984-01-01","value":31.2264},{"date":"1985-01-01","value":36.1592},{"date":"1986-01-01","value":28.458},{"date":"1989-01-01","value":21.6304},{"date":"1990-01-01","value":22.1054},{"date":"1999-01-01","value":29.8},{"date":"2000-01-01","value":30.8867},{"date":"2001-01-01","value":32.7176},{"date":"2002-01-01","value":31.445},{"date":"2004-01-01","value":40.6197},{"date":"2005-01-01","value":40.1649},{"date":"2006-01-01","value":31.8507},{"date":"2007-01-01","value":28.4401},{"date":"2008-01-01","value":22.3433},{"date":"2010-01-01","value":23.1971}],"summary":{"latest_period":"2010-01-01","latest_value":23.1971,"max":44.8453,"mean":31.8353,"min":21.2317,"of":190,"rank":40,"trend":"falling"}}