{"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-30-34-with-primary-schooling-incompleted-primary","source":null,"source_url":"https://data.worldbank.org/indicator/BAR.PRM.UCMP.3034.ZS","title":"Barro-Lee: Percentage of population age 30-34 with primary schooling. Incompleted Primary","unit":null},"observations":[{"date":"1960-01-01","value":37.0},{"date":"1965-01-01","value":29.72},{"date":"1970-01-01","value":6.3},{"date":"1975-01-01","value":5.45},{"date":"1980-01-01","value":0.9},{"date":"1985-01-01","value":0.69},{"date":"1990-01-01","value":0.3},{"date":"1995-01-01","value":0.18},{"date":"2000-01-01","value":0.13},{"date":"2005-01-01","value":0.06},{"date":"2010-01-01","value":0.08}],"summary":{"latest_period":"2010-01-01","latest_value":0.08,"max":37.0,"mean":7.34636,"min":0.06,"of":144,"rank":122,"trend":"volatile"}}