{"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-45-49-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.4549","title":"Barro-Lee: Average years of total schooling, age 45-49, total","unit":null},"observations":[{"date":"1960-01-01","value":1.17},{"date":"1965-01-01","value":1.17},{"date":"1970-01-01","value":1.17},{"date":"1975-01-01","value":1.99},{"date":"1980-01-01","value":2.29},{"date":"1985-01-01","value":3.16},{"date":"1990-01-01","value":4.06},{"date":"1995-01-01","value":5.96},{"date":"2000-01-01","value":5.97},{"date":"2005-01-01","value":7.64},{"date":"2010-01-01","value":7.73}],"summary":{"latest_period":"2010-01-01","latest_value":7.73,"max":7.73,"mean":3.84636,"min":1.17,"of":144,"rank":80,"trend":"volatile"}}