{"entity":{"iso2":"OE","iso3":"OED","name":"OECD members","slug":"oecd-members"},"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":20.6119},{"date":"1971-01-01","value":20.7547},{"date":"1972-01-01","value":20.6639},{"date":"1973-01-01","value":20.5285},{"date":"1974-01-01","value":20.4909},{"date":"1975-01-01","value":20.484},{"date":"1976-01-01","value":20.5429},{"date":"1977-01-01","value":20.467},{"date":"1978-01-01","value":20.4327},{"date":"1979-01-01","value":20.4602},{"date":"1980-01-01","value":20.1538},{"date":"1981-01-01","value":20.0578},{"date":"1982-01-01","value":19.9286},{"date":"1983-01-01","value":19.854},{"date":"1984-01-01","value":19.7732},{"date":"1985-01-01","value":19.5611},{"date":"1986-01-01","value":19.3643},{"date":"1987-01-01","value":19.3345},{"date":"1988-01-01","value":19.19},{"date":"1989-01-01","value":19.0384},{"date":"1990-01-01","value":18.912},{"date":"1991-01-01","value":18.732},{"date":"1992-01-01","value":18.6062},{"date":"1993-01-01","value":18.456},{"date":"1994-01-01","value":18.1032},{"date":"1995-01-01","value":18.1678},{"date":"1996-01-01","value":18.0979},{"date":"1997-01-01","value":17.9754},{"date":"1998-01-01","value":18.0487},{"date":"1999-01-01","value":17.8465},{"date":"2000-01-01","value":17.5188},{"date":"2001-01-01","value":17.5033},{"date":"2002-01-01","value":17.2047},{"date":"2003-01-01","value":17.1383},{"date":"2004-01-01","value":16.9322},{"date":"2005-01-01","value":16.7103},{"date":"2006-01-01","value":16.4951},{"date":"2007-01-01","value":16.3077},{"date":"2008-01-01","value":16.1727},{"date":"2009-01-01","value":16.1004},{"date":"2010-01-01","value":15.8451},{"date":"2011-01-01","value":15.9635},{"date":"2012-01-01","value":15.9982},{"date":"2013-01-01","value":15.9583},{"date":"2014-01-01","value":15.8623},{"date":"2015-01-01","value":15.6542},{"date":"2016-01-01","value":15.4133},{"date":"2017-01-01","value":15.3336},{"date":"2018-01-01","value":15.3203}],"summary":{"latest_period":"2018-01-01","latest_value":15.3203,"max":20.7547,"mean":18.2463,"min":15.3203,"of":null,"rank":null,"trend":"falling"}}