What is the average value of Adjusted net enrolment rate, primary, both sexes (%) indicator in Algeria from 1975 to 1980?
the average value of Adjusted net enrolment rate, primary, both sexes (%) is DIVIDE(SUM(Value), SUM(IndicatorName = 'Adjusted net enrolment rate, primary, both sexes (%)')); Year BETWEEN 1975 AND 1980; Algeria is the name of country where CountryName = 'Algeria'
SELECT CAST(SUM(Value) AS REAL) / COUNT(CountryCode) FROM Indicators WHERE CountryName = 'Algeria' AND Year > 1974 AND Year < 1981 AND IndicatorName = 'Adjusted net enrolment rate, primary, both sexes (%)'