{"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-60-64-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.6064","title":"Barro-Lee: Average years of primary schooling, age 60-64, total","unit":null},"observations":[{"date":"1960-01-01","value":1.46},{"date":"1965-01-01","value":1.31},{"date":"1970-01-01","value":1.34},{"date":"1975-01-01","value":1.35},{"date":"1980-01-01","value":1.48},{"date":"1985-01-01","value":1.47},{"date":"1990-01-01","value":1.76},{"date":"1995-01-01","value":2.18},{"date":"2000-01-01","value":2.52},{"date":"2005-01-01","value":3.12},{"date":"2010-01-01","value":4.22}],"summary":{"latest_period":"2010-01-01","latest_value":4.22,"max":4.22,"mean":2.01909,"min":1.31,"of":144,"rank":55,"trend":"rising"}}