{"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-45-49-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.4549","title":"Barro-Lee: Average years of primary schooling, age 45-49, total","unit":null},"observations":[{"date":"1960-01-01","value":4.78},{"date":"1965-01-01","value":5.6},{"date":"1970-01-01","value":5.8},{"date":"1975-01-01","value":6.27},{"date":"1980-01-01","value":6.39},{"date":"1985-01-01","value":6.84},{"date":"1990-01-01","value":6.86},{"date":"1995-01-01","value":6.94},{"date":"2000-01-01","value":6.93},{"date":"2005-01-01","value":6.97},{"date":"2010-01-01","value":7.99}],"summary":{"latest_period":"2010-01-01","latest_value":7.99,"max":7.99,"mean":6.48818,"min":4.78,"of":144,"rank":3,"trend":"rising"}}