{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-tertiary-schooling-age-40-44-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.TER.SCHL.4044","title":"Barro-Lee: Average years of tertiary schooling, age 40-44, total","unit":null},"observations":[{"date":"1960-01-01","value":0.08},{"date":"1965-01-01","value":0.08},{"date":"1970-01-01","value":0.08},{"date":"1975-01-01","value":0.08},{"date":"1980-01-01","value":0.08},{"date":"1985-01-01","value":0.08},{"date":"1990-01-01","value":0.18},{"date":"1995-01-01","value":0.36},{"date":"2000-01-01","value":0.4},{"date":"2005-01-01","value":0.45},{"date":"2010-01-01","value":0.22}],"summary":{"latest_period":"2010-01-01","latest_value":0.22,"max":0.45,"mean":0.19,"min":0.08,"of":144,"rank":94,"trend":"volatile"}}