{"entity":{"iso2":"BW","iso3":"BWA","name":"Botswana","slug":"botswana"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-primary-schooling-age-25-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.25UP","title":"Barro-Lee: Average years of primary schooling, age 25+, total","unit":null},"observations":[{"date":"1960-01-01","value":1.07},{"date":"1965-01-01","value":1.09},{"date":"1970-01-01","value":1.21},{"date":"1975-01-01","value":2.02},{"date":"1980-01-01","value":2.09},{"date":"1985-01-01","value":3.04},{"date":"1990-01-01","value":3.8},{"date":"1995-01-01","value":4.52},{"date":"2000-01-01","value":5.07},{"date":"2005-01-01","value":5.46},{"date":"2010-01-01","value":5.8}],"summary":{"latest_period":"2010-01-01","latest_value":5.8,"max":5.8,"mean":3.19727,"min":1.07,"of":144,"rank":33,"trend":"volatile"}}