{"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-30-34-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.3034","title":"Barro-Lee: Average years of primary schooling, age 30-34, total","unit":null},"observations":[{"date":"1960-01-01","value":0.44},{"date":"1965-01-01","value":0.44},{"date":"1970-01-01","value":0.84},{"date":"1975-01-01","value":0.82},{"date":"1980-01-01","value":1.64},{"date":"1985-01-01","value":1.71},{"date":"1990-01-01","value":2.64},{"date":"1995-01-01","value":3.23},{"date":"2000-01-01","value":3.61},{"date":"2005-01-01","value":3.86},{"date":"2010-01-01","value":3.96}],"summary":{"latest_period":"2010-01-01","latest_value":3.96,"max":3.96,"mean":2.10818,"min":0.44,"of":144,"rank":109,"trend":"volatile"}}