{"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-75-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.75UP","title":"Barro-Lee: Average years of primary schooling, age 75+, total","unit":null},"observations":[{"date":"1960-01-01","value":3.48},{"date":"1965-01-01","value":3.83},{"date":"1970-01-01","value":4.16},{"date":"1975-01-01","value":4.61},{"date":"1980-01-01","value":5.08},{"date":"1985-01-01","value":5.45},{"date":"1990-01-01","value":5.85},{"date":"1995-01-01","value":5.66},{"date":"2000-01-01","value":5.54},{"date":"2005-01-01","value":6.14},{"date":"2010-01-01","value":6.51}],"summary":{"latest_period":"2010-01-01","latest_value":6.51,"max":6.51,"mean":5.11909,"min":3.48,"of":144,"rank":10,"trend":"rising"}}