{"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-70-74-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.7074","title":"Barro-Lee: Average years of secondary schooling, age 70-74, total","unit":null},"observations":[{"date":"1960-01-01","value":0.09},{"date":"1965-01-01","value":0.09},{"date":"1970-01-01","value":0.02},{"date":"1975-01-01","value":0.09},{"date":"1980-01-01","value":0.18},{"date":"1985-01-01","value":0.22},{"date":"1990-01-01","value":0.27},{"date":"1995-01-01","value":0.3},{"date":"2000-01-01","value":0.58},{"date":"2005-01-01","value":0.67},{"date":"2010-01-01","value":1.02}],"summary":{"latest_period":"2010-01-01","latest_value":1.02,"max":1.02,"mean":0.320909,"min":0.02,"of":144,"rank":84,"trend":"volatile"}}