{"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-70-74-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.7074","title":"Barro-Lee: Average years of primary schooling, age 70-74, total","unit":null},"observations":[{"date":"1960-01-01","value":1.06},{"date":"1965-01-01","value":1.07},{"date":"1970-01-01","value":0.33},{"date":"1975-01-01","value":1.15},{"date":"1980-01-01","value":2.09},{"date":"1985-01-01","value":1.88},{"date":"1990-01-01","value":1.52},{"date":"1995-01-01","value":1.57},{"date":"2000-01-01","value":2.42},{"date":"2005-01-01","value":2.58},{"date":"2010-01-01","value":3.1}],"summary":{"latest_period":"2010-01-01","latest_value":3.1,"max":3.1,"mean":1.70636,"min":0.33,"of":144,"rank":79,"trend":"rising"}}