{"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-50-54-with-primary-schooling-incompleted-primary","source":null,"source_url":"https://data.worldbank.org/indicator/BAR.PRM.UCMP.5054.ZS","title":"Barro-Lee: Percentage of population age 50-54 with primary schooling. Incompleted Primary","unit":null},"observations":[{"date":"1960-01-01","value":52.1},{"date":"1965-01-01","value":46.3},{"date":"1970-01-01","value":31.6},{"date":"1975-01-01","value":26.94},{"date":"1980-01-01","value":15.7},{"date":"1985-01-01","value":13.04},{"date":"1990-01-01","value":2.76},{"date":"1995-01-01","value":1.88},{"date":"2000-01-01","value":0.28},{"date":"2005-01-01","value":0.17},{"date":"2010-01-01","value":0.06}],"summary":{"latest_period":"2010-01-01","latest_value":0.06,"max":52.1,"mean":17.3482,"min":0.06,"of":144,"rank":133,"trend":"volatile"}}