<p>Average, or imply years of education of a inhabitants, are sometimes calculated from knowledge on the distribution of the population by age group and highest degree of education attained in a given yr; and the official length of every stage …</p>
<p>Average, or imply years of education of a inhabitants, are sometimes calculated from knowledge on the distribution of the population by age group and highest degree of education attained in a given yr; and the official length of every stage …</p>