{"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-primary-schooling-completed-primary","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.CMPT.7074.ZS","title":"Barro-Lee: Percentage of population age 70-74 with primary schooling. Completed Primary","unit":null},"observations":[{"date":"1960-01-01","value":11.51},{"date":"1965-01-01","value":11.9},{"date":"1970-01-01","value":28.71},{"date":"1975-01-01","value":27.66},{"date":"1980-01-01","value":26.27},{"date":"1985-01-01","value":25.19},{"date":"1990-01-01","value":16.59},{"date":"1995-01-01","value":28.48},{"date":"2000-01-01","value":33.14},{"date":"2005-01-01","value":37.42},{"date":"2010-01-01","value":22.07}],"summary":{"latest_period":"2010-01-01","latest_value":22.07,"max":37.42,"mean":24.4491,"min":11.51,"of":144,"rank":36,"trend":"rising"}}