{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-percentage-of-population-age-75-with-secondary-schooling-completed-secondary","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.CMPT.75UP.ZS","title":"Barro-Lee: Percentage of population age 75+ with secondary schooling. Completed Secondary","unit":null},"observations":[{"date":"1960-01-01","value":2.38},{"date":"1965-01-01","value":2.59},{"date":"1970-01-01","value":2.04},{"date":"1975-01-01","value":2.17},{"date":"1980-01-01","value":2.61},{"date":"1985-01-01","value":3.8},{"date":"1990-01-01","value":5.84},{"date":"1995-01-01","value":8.5},{"date":"2000-01-01","value":5.11},{"date":"2005-01-01","value":3.3},{"date":"2010-01-01","value":15.09}],"summary":{"latest_period":"2010-01-01","latest_value":15.09,"max":15.09,"mean":4.85727,"min":2.04,"of":144,"rank":41,"trend":"volatile"}}