{"entity":{"iso2":"RS","iso3":"SRB","name":"Serbia","slug":"serbia"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-secondary-schooling-age-30-34-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.3034","title":"Barro-Lee: Average years of secondary schooling, age 30-34, total","unit":null},"observations":[{"date":"1960-01-01","value":0.52},{"date":"1965-01-01","value":0.6},{"date":"1970-01-01","value":1.0},{"date":"1975-01-01","value":1.06},{"date":"1980-01-01","value":1.68},{"date":"1985-01-01","value":1.76},{"date":"1990-01-01","value":2.25},{"date":"1995-01-01","value":2.48},{"date":"2000-01-01","value":2.78},{"date":"2005-01-01","value":6.36},{"date":"2010-01-01","value":7.22}],"summary":{"latest_period":"2010-01-01","latest_value":7.22,"max":7.22,"mean":2.51909,"min":0.52,"of":144,"rank":4,"trend":"volatile"}}