{"entity":{"iso2":"SV","iso3":"SLV","name":"El Salvador","slug":"el-salvador"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-primary-schooling-age-15-19-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.1519","title":"Barro-Lee: Average years of primary schooling, age 15-19, total","unit":null},"observations":[{"date":"1960-01-01","value":2.28},{"date":"1965-01-01","value":2.89},{"date":"1970-01-01","value":3.28},{"date":"1975-01-01","value":3.54},{"date":"1980-01-01","value":3.81},{"date":"1985-01-01","value":5.94},{"date":"1990-01-01","value":5.92},{"date":"1995-01-01","value":5.7},{"date":"2000-01-01","value":6.73},{"date":"2005-01-01","value":7.9},{"date":"2010-01-01","value":4.77}],"summary":{"latest_period":"2010-01-01","latest_value":4.77,"max":7.9,"mean":4.79636,"min":2.28,"of":144,"rank":88,"trend":"rising"}}