{"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-60-64-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.6064","title":"Barro-Lee: Average years of primary schooling, age 60-64, total","unit":null},"observations":[{"date":"1960-01-01","value":1.07},{"date":"1965-01-01","value":1.07},{"date":"1970-01-01","value":0.65},{"date":"1975-01-01","value":1.38},{"date":"1980-01-01","value":2.09},{"date":"1985-01-01","value":1.89},{"date":"1990-01-01","value":2.35},{"date":"1995-01-01","value":2.5},{"date":"2000-01-01","value":2.99},{"date":"2005-01-01","value":3.0},{"date":"2010-01-01","value":4.05}],"summary":{"latest_period":"2010-01-01","latest_value":4.05,"max":4.05,"mean":2.09455,"min":0.65,"of":144,"rank":58,"trend":"rising"}}