{"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-75-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.75UP","title":"Barro-Lee: Average years of primary schooling, age 75+, total","unit":null},"observations":[{"date":"1960-01-01","value":1.46},{"date":"1965-01-01","value":1.3},{"date":"1970-01-01","value":1.2},{"date":"1975-01-01","value":1.24},{"date":"1980-01-01","value":1.29},{"date":"1985-01-01","value":1.37},{"date":"1990-01-01","value":1.39},{"date":"1995-01-01","value":1.53},{"date":"2000-01-01","value":1.63},{"date":"2005-01-01","value":1.78},{"date":"2010-01-01","value":3.67}],"summary":{"latest_period":"2010-01-01","latest_value":3.67,"max":3.67,"mean":1.62364,"min":1.2,"of":144,"rank":51,"trend":"rising"}}