{"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-40-44-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.4044","title":"Barro-Lee: Average years of secondary schooling, age 40-44, total","unit":null},"observations":[{"date":"1960-01-01","value":0.67},{"date":"1965-01-01","value":0.68},{"date":"1970-01-01","value":1.19},{"date":"1975-01-01","value":1.19},{"date":"1980-01-01","value":1.36},{"date":"1985-01-01","value":1.37},{"date":"1990-01-01","value":2.85},{"date":"1995-01-01","value":3.07},{"date":"2000-01-01","value":3.38},{"date":"2005-01-01","value":3.45},{"date":"2010-01-01","value":3.67}],"summary":{"latest_period":"2010-01-01","latest_value":3.67,"max":3.67,"mean":2.08,"min":0.67,"of":144,"rank":52,"trend":"volatile"}}