{"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-15-19-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.1519","title":"Barro-Lee: Average years of secondary schooling, age 15-19, total","unit":null},"observations":[{"date":"1960-01-01","value":2.33},{"date":"1965-01-01","value":2.77},{"date":"1970-01-01","value":3.22},{"date":"1975-01-01","value":3.48},{"date":"1980-01-01","value":3.6},{"date":"1985-01-01","value":2.96},{"date":"1990-01-01","value":3.09},{"date":"1995-01-01","value":3.72},{"date":"2000-01-01","value":3.5},{"date":"2005-01-01","value":2.83},{"date":"2010-01-01","value":5.1}],"summary":{"latest_period":"2010-01-01","latest_value":5.1,"max":5.1,"mean":3.32727,"min":2.33,"of":144,"rank":14,"trend":"rising"}}