viernes, 27 de mayo de 2016
jueves, 26 de mayo de 2016
World population living in extreme poverty, 1820-2015.
People are considered to live in extreme poverty at a consumption (or income) level below 1.90 international-$ per day. International $ are adjusted for price differences between countries and for price changes over time (inflation).
martes, 24 de mayo de 2016
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