{"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-15-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.15UP","title":"Barro-Lee: Average years of primary schooling, age 15+, total","unit":null},"observations":[{"date":"1960-01-01","value":5.18},{"date":"1965-01-01","value":5.63},{"date":"1970-01-01","value":6.06},{"date":"1975-01-01","value":6.35},{"date":"1980-01-01","value":6.66},{"date":"1985-01-01","value":6.88},{"date":"1990-01-01","value":6.94},{"date":"1995-01-01","value":7.14},{"date":"2000-01-01","value":7.24},{"date":"2005-01-01","value":7.43},{"date":"2010-01-01","value":7.39}],"summary":{"latest_period":"2010-01-01","latest_value":7.39,"max":7.43,"mean":6.62727,"min":5.18,"of":144,"rank":5,"trend":"rising"}}