{"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-45-49-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.4549","title":"Barro-Lee: Average years of secondary schooling, age 45-49, total","unit":null},"observations":[{"date":"1960-01-01","value":0.51},{"date":"1965-01-01","value":0.68},{"date":"1970-01-01","value":0.81},{"date":"1975-01-01","value":1.19},{"date":"1980-01-01","value":0.96},{"date":"1985-01-01","value":1.42},{"date":"1990-01-01","value":1.95},{"date":"1995-01-01","value":2.95},{"date":"2000-01-01","value":3.27},{"date":"2005-01-01","value":3.42},{"date":"2010-01-01","value":3.45}],"summary":{"latest_period":"2010-01-01","latest_value":3.45,"max":3.45,"mean":1.87364,"min":0.51,"of":144,"rank":49,"trend":"volatile"}}