{"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-25-29-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.2529","title":"Barro-Lee: Average years of primary schooling, age 25-29, total","unit":null},"observations":[{"date":"1960-01-01","value":1.08},{"date":"1965-01-01","value":1.16},{"date":"1970-01-01","value":1.96},{"date":"1975-01-01","value":2.65},{"date":"1980-01-01","value":2.09},{"date":"1985-01-01","value":4.29},{"date":"1990-01-01","value":5.06},{"date":"1995-01-01","value":6.01},{"date":"2000-01-01","value":6.91},{"date":"2005-01-01","value":6.99},{"date":"2010-01-01","value":6.96}],"summary":{"latest_period":"2010-01-01","latest_value":6.96,"max":6.99,"mean":4.10545,"min":1.08,"of":144,"rank":12,"trend":"volatile"}}