{"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-incompleted-primary","source":null,"source_url":"https://data.worldbank.org/indicator/BAR.PRM.UCMP.3539.ZS","title":"Barro-Lee: Percentage of population age 35-39 with primary schooling. Incompleted Primary","unit":null},"observations":[{"date":"1960-01-01","value":43.5},{"date":"1965-01-01","value":29.72},{"date":"1970-01-01","value":23.1},{"date":"1975-01-01","value":5.45},{"date":"1980-01-01","value":4.7},{"date":"1985-01-01","value":0.69},{"date":"1990-01-01","value":0.52},{"date":"1995-01-01","value":0.19},{"date":"2000-01-01","value":0.1},{"date":"2005-01-01","value":0.1},{"date":"2010-01-01","value":0.06}],"summary":{"latest_period":"2010-01-01","latest_value":0.06,"max":43.5,"mean":9.83,"min":0.06,"of":144,"rank":130,"trend":"volatile"}}