{"entity":{"iso2":"GM","iso3":"GMB","name":"Gambia","slug":"gambia-the"},"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":0.39},{"date":"1965-01-01","value":0.49},{"date":"1970-01-01","value":0.73},{"date":"1975-01-01","value":1.06},{"date":"1980-01-01","value":1.08},{"date":"1985-01-01","value":1.43},{"date":"1990-01-01","value":2.74},{"date":"1995-01-01","value":2.67},{"date":"2000-01-01","value":2.72},{"date":"2005-01-01","value":3.21},{"date":"2010-01-01","value":4.27}],"summary":{"latest_period":"2010-01-01","latest_value":4.27,"max":4.27,"mean":1.89,"min":0.39,"of":144,"rank":102,"trend":"volatile"}}