{"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-secondary-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.SEC.SCHL.6064","title":"Barro-Lee: Average years of secondary schooling, age 60-64, total","unit":null},"observations":[{"date":"1960-01-01","value":1.35},{"date":"1965-01-01","value":1.44},{"date":"1970-01-01","value":1.68},{"date":"1975-01-01","value":1.78},{"date":"1980-01-01","value":1.89},{"date":"1985-01-01","value":1.91},{"date":"1990-01-01","value":1.92},{"date":"1995-01-01","value":2.41},{"date":"2000-01-01","value":2.1},{"date":"2005-01-01","value":2.24},{"date":"2010-01-01","value":3.91}],"summary":{"latest_period":"2010-01-01","latest_value":3.91,"max":3.91,"mean":2.05727,"min":1.35,"of":144,"rank":32,"trend":"rising"}}