{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-percentage-of-population-age-35-39-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.3539.ZS","title":"Barro-Lee: Percentage of population age 35-39 with primary schooling. Completed Primary","unit":null},"observations":[{"date":"1960-01-01","value":34.7},{"date":"1965-01-01","value":38.94},{"date":"1970-01-01","value":45.7},{"date":"1975-01-01","value":49.72},{"date":"1980-01-01","value":49.5},{"date":"1985-01-01","value":29.14},{"date":"1990-01-01","value":27.94},{"date":"1995-01-01","value":13.83},{"date":"2000-01-01","value":9.88},{"date":"2005-01-01","value":8.55},{"date":"2010-01-01","value":7.84}],"summary":{"latest_period":"2010-01-01","latest_value":7.84,"max":49.72,"mean":28.7036,"min":7.84,"of":144,"rank":86,"trend":"volatile"}}