{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-primary-schooling-age-15-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.15UP","title":"Barro-Lee: Average years of primary schooling, age 15+, total","unit":null},"observations":[{"date":"1960-01-01","value":0.4},{"date":"1965-01-01","value":0.49},{"date":"1970-01-01","value":0.61},{"date":"1975-01-01","value":0.79},{"date":"1980-01-01","value":1.0},{"date":"1985-01-01","value":1.23},{"date":"1990-01-01","value":1.48},{"date":"1995-01-01","value":1.77},{"date":"2000-01-01","value":1.95},{"date":"2005-01-01","value":2.15},{"date":"2010-01-01","value":2.67}],"summary":{"latest_period":"2010-01-01","latest_value":2.67,"max":2.67,"mean":1.32182,"min":0.4,"of":144,"rank":132,"trend":"volatile"}}