{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-primary-schooling-age-25-29-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.2529","title":"Barro-Lee: Average years of primary schooling, age 25-29, total","unit":null},"observations":[{"date":"1960-01-01","value":5.65},{"date":"1965-01-01","value":6.58},{"date":"1970-01-01","value":6.76},{"date":"1975-01-01","value":6.93},{"date":"1980-01-01","value":6.95},{"date":"1985-01-01","value":6.97},{"date":"1990-01-01","value":7.96},{"date":"1995-01-01","value":7.96},{"date":"2000-01-01","value":7.96},{"date":"2005-01-01","value":7.97},{"date":"2010-01-01","value":7.99}],"summary":{"latest_period":"2010-01-01","latest_value":7.99,"max":7.99,"mean":7.24364,"min":5.65,"of":144,"rank":1,"trend":"rising"}}