{"entity":{"iso2":"ES","iso3":"ESP","name":"Spain","slug":"spain"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-primary-schooling-age-35-39-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.3539","title":"Barro-Lee: Average years of primary schooling, age 35-39, total","unit":null},"observations":[{"date":"1960-01-01","value":3.06},{"date":"1965-01-01","value":3.37},{"date":"1970-01-01","value":4.5},{"date":"1975-01-01","value":5.23},{"date":"1980-01-01","value":5.25},{"date":"1985-01-01","value":3.98},{"date":"1990-01-01","value":4.79},{"date":"1995-01-01","value":5.45},{"date":"2000-01-01","value":5.63},{"date":"2005-01-01","value":4.9},{"date":"2010-01-01","value":4.91}],"summary":{"latest_period":"2010-01-01","latest_value":4.91,"max":5.63,"mean":4.64273,"min":3.06,"of":144,"rank":80,"trend":"rising"}}