<prompt> Translate the following text to EnglishKatika mwaka wa 1997, watu wasio na makazi walipeleka asilimia 84 ya barua za darasa la kwanza, ikilinganishwa na asilimia 77 mwaka wa 1990.  <response>: In 1997, non-households sent 84 percent of First-Class Mail, up from 77 percent in 1990. 