{"entity":{"iso2":"ZT","iso3":"IBT","name":"IDA & IBRD total","slug":"ida-and-ibrd-total"},"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":15.6234},{"date":"1971-01-01","value":16.0163},{"date":"1972-01-01","value":16.339},{"date":"1973-01-01","value":16.343},{"date":"1974-01-01","value":16.2509},{"date":"1975-01-01","value":16.5078},{"date":"1976-01-01","value":16.978},{"date":"1977-01-01","value":17.4112},{"date":"1978-01-01","value":17.6928},{"date":"1979-01-01","value":17.4727},{"date":"1980-01-01","value":17.2954},{"date":"1981-01-01","value":17.1636},{"date":"1982-01-01","value":17.0133},{"date":"1983-01-01","value":17.0669},{"date":"1984-01-01","value":17.2024},{"date":"1985-01-01","value":17.5154},{"date":"1986-01-01","value":17.4291},{"date":"1987-01-01","value":17.3588},{"date":"1988-01-01","value":17.2134},{"date":"1989-01-01","value":17.017},{"date":"1990-01-01","value":16.87},{"date":"1991-01-01","value":17.0019},{"date":"1992-01-01","value":17.2904},{"date":"1993-01-01","value":17.566},{"date":"1994-01-01","value":17.7796},{"date":"1995-01-01","value":18.115},{"date":"1996-01-01","value":18.317},{"date":"1997-01-01","value":18.5972},{"date":"1998-01-01","value":18.7722},{"date":"1999-01-01","value":18.7886},{"date":"2000-01-01","value":19.1532},{"date":"2001-01-01","value":19.7594},{"date":"2002-01-01","value":19.7635},{"date":"2003-01-01","value":19.6264},{"date":"2004-01-01","value":19.6935},{"date":"2005-01-01","value":19.3504},{"date":"2006-01-01","value":19.0601},{"date":"2007-01-01","value":18.6524},{"date":"2008-01-01","value":18.2598},{"date":"2009-01-01","value":18.0226},{"date":"2010-01-01","value":18.0261},{"date":"2011-01-01","value":18.1325},{"date":"2012-01-01","value":18.2486},{"date":"2013-01-01","value":18.9346},{"date":"2014-01-01","value":18.8221},{"date":"2015-01-01","value":18.5601},{"date":"2016-01-01","value":18.1658},{"date":"2017-01-01","value":17.9749},{"date":"2018-01-01","value":18.0233}],"summary":{"latest_period":"2018-01-01","latest_value":18.0233,"max":19.7635,"mean":17.8416,"min":15.6234,"of":41,"rank":17,"trend":"rising"}}