{"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-secondary-schooling-age-70-74-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.7074","title":"Barro-Lee: Average years of secondary schooling, age 70-74, total","unit":null},"observations":[{"date":"1960-01-01","value":0.33},{"date":"1965-01-01","value":0.35},{"date":"1970-01-01","value":0.43},{"date":"1975-01-01","value":0.48},{"date":"1980-01-01","value":0.44},{"date":"1985-01-01","value":0.53},{"date":"1990-01-01","value":0.75},{"date":"1995-01-01","value":0.95},{"date":"2000-01-01","value":1.62},{"date":"2005-01-01","value":1.78},{"date":"2010-01-01","value":2.37}],"summary":{"latest_period":"2010-01-01","latest_value":2.37,"max":2.37,"mean":0.911818,"min":0.33,"of":144,"rank":42,"trend":"volatile"}}