<prompt> Translate the following text to EnglishMadrid iliongezeka kwa kasi, ikiongezeka karibu mara nane kwa idadi ya watu; hali ya Hispania kwa ujumla ilikuwa yenye kubadilika-badilika zaidi.  <response>: Madrid soared onward and upward, increasing nearly eightfold in population; Spains fortunes as a whole were more volatile. 