{"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-total-schooling-age-35-39-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.3539","title":"Barro-Lee: Average years of total schooling, age 35-39, total","unit":null},"observations":[{"date":"1960-01-01","value":1.17},{"date":"1965-01-01","value":1.18},{"date":"1970-01-01","value":1.46},{"date":"1975-01-01","value":2.42},{"date":"1980-01-01","value":2.29},{"date":"1985-01-01","value":4.03},{"date":"1990-01-01","value":5.97},{"date":"1995-01-01","value":7.64},{"date":"2000-01-01","value":7.73},{"date":"2005-01-01","value":9.34},{"date":"2010-01-01","value":10.63}],"summary":{"latest_period":"2010-01-01","latest_value":10.63,"max":10.63,"mean":4.89636,"min":1.17,"of":144,"rank":57,"trend":"volatile"}}