<prompt> Translate the following text to EnglishKwa mfano, idadi ya barua za Ufaransa, ambazo ni asilimia 10 ya idadi ya watu walio na idadi ya chini ya watu, ni 46, wakati ni 89 katika maeneo sawa ya Marekani.  <response>: We have found that the postal density in France of the 10 percent of addressees with the lowest population density is 46 while it is 89 in the equivalent areas of the U.S. 