{"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-60-64-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.TER.SCHL.6064","title":"Barro-Lee: Average years of tertiary schooling, age 60-64, total","unit":null},"observations":[{"date":"1960-01-01","value":0.05},{"date":"1965-01-01","value":0.06},{"date":"1970-01-01","value":0.07},{"date":"1975-01-01","value":0.07},{"date":"1980-01-01","value":0.08},{"date":"1985-01-01","value":0.08},{"date":"1990-01-01","value":0.09},{"date":"1995-01-01","value":0.17},{"date":"2000-01-01","value":0.18},{"date":"2005-01-01","value":0.33},{"date":"2010-01-01","value":0.23}],"summary":{"latest_period":"2010-01-01","latest_value":0.23,"max":0.33,"mean":0.128182,"min":0.05,"of":144,"rank":79,"trend":"volatile"}}