<prompt> Translate the following text to SwahiliIts annual growth rate fell from 0.6 percent in 1987-90 to negative 1.4 percent in 1990-93 and further to negative 2.0 percent in 1993-97.  <response>: Kiwango cha ukuaji wa kila mwaka kilipungua kutoka asilimia 0.6 mwaka 1987 hadi mwaka 1993 hadi asilimia -1.4, na hadi asilimia -2.7 mwaka 1993 - 1997. 