{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-percentage-of-population-age-75-with-secondary-schooling-completed-secondary","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.CMPT.75UP.ZS","title":"Barro-Lee: Percentage of population age 75+ with secondary schooling. Completed Secondary","unit":null},"observations":[{"date":"1960-01-01","value":5.4},{"date":"1965-01-01","value":5.68},{"date":"1970-01-01","value":8.58},{"date":"1975-01-01","value":10.05},{"date":"1980-01-01","value":7.46},{"date":"1985-01-01","value":8.52},{"date":"1990-01-01","value":15.91},{"date":"1995-01-01","value":19.73},{"date":"2000-01-01","value":24.04},{"date":"2005-01-01","value":29.58},{"date":"2010-01-01","value":31.26}],"summary":{"latest_period":"2010-01-01","latest_value":31.26,"max":31.26,"mean":15.11,"min":5.4,"of":144,"rank":13,"trend":"volatile"}}