{"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-secondary-schooling-age-55-59-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.5559","title":"Barro-Lee: Average years of secondary schooling, age 55-59, total","unit":null},"observations":[{"date":"1960-01-01","value":0.18},{"date":"1965-01-01","value":0.2},{"date":"1970-01-01","value":0.91},{"date":"1975-01-01","value":1.0},{"date":"1980-01-01","value":1.62},{"date":"1985-01-01","value":2.31},{"date":"1990-01-01","value":2.95},{"date":"1995-01-01","value":4.22},{"date":"2000-01-01","value":4.68},{"date":"2005-01-01","value":4.82},{"date":"2010-01-01","value":2.55}],"summary":{"latest_period":"2010-01-01","latest_value":2.55,"max":4.82,"mean":2.31273,"min":0.18,"of":144,"rank":62,"trend":"volatile"}}