{"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-15-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.15UP","title":"Barro-Lee: Average years of secondary schooling, age 15+, total","unit":null},"observations":[{"date":"1960-01-01","value":1.9},{"date":"1965-01-01","value":2.04},{"date":"1970-01-01","value":2.17},{"date":"1975-01-01","value":2.49},{"date":"1980-01-01","value":2.67},{"date":"1985-01-01","value":2.61},{"date":"1990-01-01","value":3.04},{"date":"1995-01-01","value":3.35},{"date":"2000-01-01","value":3.34},{"date":"2005-01-01","value":3.27},{"date":"2010-01-01","value":4.78}],"summary":{"latest_period":"2010-01-01","latest_value":4.78,"max":4.78,"mean":2.87818,"min":1.9,"of":144,"rank":25,"trend":"rising"}}