{"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-primary-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.PRM.SCHL.6569","title":"Barro-Lee: Average years of primary schooling, age 65-69, total","unit":null},"observations":[{"date":"1960-01-01","value":3.52},{"date":"1965-01-01","value":3.58},{"date":"1970-01-01","value":2.29},{"date":"1975-01-01","value":2.5},{"date":"1980-01-01","value":2.9},{"date":"1985-01-01","value":2.94},{"date":"1990-01-01","value":2.87},{"date":"1995-01-01","value":3.39},{"date":"2000-01-01","value":3.56},{"date":"2005-01-01","value":3.76},{"date":"2010-01-01","value":3.89}],"summary":{"latest_period":"2010-01-01","latest_value":3.89,"max":3.89,"mean":3.2,"min":2.29,"of":144,"rank":63,"trend":"rising"}}