{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-total-schooling-age-65-69-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.6569","title":"Barro-Lee: Average years of total schooling, age 65-69, total","unit":null},"observations":[{"date":"1960-01-01","value":3.77},{"date":"1965-01-01","value":3.88},{"date":"1970-01-01","value":3.01},{"date":"1975-01-01","value":3.39},{"date":"1980-01-01","value":4.1},{"date":"1985-01-01","value":4.32},{"date":"1990-01-01","value":4.65},{"date":"1995-01-01","value":6.47},{"date":"2000-01-01","value":6.97},{"date":"2005-01-01","value":9.62},{"date":"2010-01-01","value":12.32}],"summary":{"latest_period":"2010-01-01","latest_value":12.32,"max":12.32,"mean":5.68182,"min":3.01,"of":144,"rank":5,"trend":"rising"}}