{"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-completed-primary","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.CMPT.3034.ZS","title":"Barro-Lee: Percentage of population age 30-34 with primary schooling. Completed Primary","unit":null},"observations":[{"date":"1960-01-01","value":31.5},{"date":"1965-01-01","value":38.94},{"date":"1970-01-01","value":50.0},{"date":"1975-01-01","value":49.72},{"date":"1980-01-01","value":30.5},{"date":"1985-01-01","value":29.14},{"date":"1990-01-01","value":16.6},{"date":"1995-01-01","value":13.0},{"date":"2000-01-01","value":9.39},{"date":"2005-01-01","value":8.25},{"date":"2010-01-01","value":5.97}],"summary":{"latest_period":"2010-01-01","latest_value":5.97,"max":50.0,"mean":25.7282,"min":5.97,"of":144,"rank":89,"trend":"volatile"}}