<prompt> Translate the following text to EnglishKiwango cha ukuaji wa kila mwaka kilipungua kutoka asilimia 6.9 mwaka 1987 hadi 1990 hadi asilimia 1.4 mwaka 1993 na hadi asilimia 1.0 mwaka 1993-1997.  <response>: Its annual growth rate dropped from 6.9 percent in 1987-90 to 1.4 percent in 1990-93 and further to 1.0 percent in 1993-97 