{"entity":{"iso2":"SV","iso3":"SLV","name":"El Salvador","slug":"el-salvador"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-total-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.SCHL.4044","title":"Barro-Lee: Average years of total schooling, age 40-44, total","unit":null},"observations":[{"date":"1960-01-01","value":1.67},{"date":"1965-01-01","value":1.72},{"date":"1970-01-01","value":2.14},{"date":"1975-01-01","value":2.34},{"date":"1980-01-01","value":3.11},{"date":"1985-01-01","value":3.27},{"date":"1990-01-01","value":4.21},{"date":"1995-01-01","value":4.46},{"date":"2000-01-01","value":5.15},{"date":"2005-01-01","value":6.77},{"date":"2010-01-01","value":9.66}],"summary":{"latest_period":"2010-01-01","latest_value":9.66,"max":9.66,"mean":4.04545,"min":1.67,"of":144,"rank":62,"trend":"volatile"}}