{"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-secondary-schooling-age-15-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.15UP","title":"Barro-Lee: Average years of secondary schooling, age 15+, total","unit":null},"observations":[{"date":"1960-01-01","value":0.09},{"date":"1965-01-01","value":0.1},{"date":"1970-01-01","value":0.2},{"date":"1975-01-01","value":0.25},{"date":"1980-01-01","value":0.34},{"date":"1985-01-01","value":1.26},{"date":"1990-01-01","value":2.15},{"date":"1995-01-01","value":2.66},{"date":"2000-01-01","value":2.9},{"date":"2005-01-01","value":3.06},{"date":"2010-01-01","value":3.18}],"summary":{"latest_period":"2010-01-01","latest_value":3.18,"max":3.18,"mean":1.47182,"min":0.09,"of":144,"rank":69,"trend":"volatile"}}