{"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-70-74-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.7074.ZS","title":"Barro-Lee: Percentage of population age 70-74 with secondary schooling. Completed Secondary","unit":null},"observations":[{"date":"1960-01-01","value":2.41},{"date":"1965-01-01","value":2.63},{"date":"1970-01-01","value":2.16},{"date":"1975-01-01","value":2.3},{"date":"1980-01-01","value":2.76},{"date":"1985-01-01","value":4.03},{"date":"1990-01-01","value":6.19},{"date":"1995-01-01","value":4.39},{"date":"2000-01-01","value":4.08},{"date":"2005-01-01","value":3.7},{"date":"2010-01-01","value":20.87}],"summary":{"latest_period":"2010-01-01","latest_value":20.87,"max":20.87,"mean":5.04727,"min":2.16,"of":144,"rank":40,"trend":"volatile"}}