<prompt> Translate the following text to EnglishKatika mbinu ya pili, mkusanyiko ungekuja baada ya maeneo yote kuandikwa, na chati zingeweza kutumika kama msingi wa data kwa ajili ya mkusanyiko.  <response>: In the second approach, aggregation would come after all the sites had been charted, and the charts would be used as the data base for aggregation. 