{"entity":{"iso2":"PG","iso3":"PNG","name":"Papua New Guinea","slug":"papua-new-guinea"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-primary-schooling-age-25-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.25UP","title":"Barro-Lee: Average years of primary schooling, age 25+, total","unit":null},"observations":[{"date":"1960-01-01","value":0.29},{"date":"1965-01-01","value":0.41},{"date":"1970-01-01","value":0.63},{"date":"1975-01-01","value":0.74},{"date":"1980-01-01","value":0.92},{"date":"1985-01-01","value":1.29},{"date":"1990-01-01","value":1.71},{"date":"1995-01-01","value":2.17},{"date":"2000-01-01","value":2.57},{"date":"2005-01-01","value":2.91},{"date":"2010-01-01","value":3.32}],"summary":{"latest_period":"2010-01-01","latest_value":3.32,"max":3.32,"mean":1.54182,"min":0.29,"of":144,"rank":112,"trend":"volatile"}}