{"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-total-schooling-age-25-29-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.2529","title":"Barro-Lee: Average years of total schooling, age 25-29, total","unit":null},"observations":[{"date":"1960-01-01","value":0.58},{"date":"1965-01-01","value":0.58},{"date":"1970-01-01","value":0.95},{"date":"1975-01-01","value":1.33},{"date":"1980-01-01","value":1.91},{"date":"1985-01-01","value":2.31},{"date":"1990-01-01","value":2.76},{"date":"1995-01-01","value":3.27},{"date":"2000-01-01","value":3.45},{"date":"2005-01-01","value":3.96},{"date":"2010-01-01","value":4.24}],"summary":{"latest_period":"2010-01-01","latest_value":4.24,"max":4.24,"mean":2.30364,"min":0.58,"of":144,"rank":137,"trend":"volatile"}}