<prompt> Translate the following text to SwahiliThis was mainly the result of rate hikes-- not cuts--legislated in the Social Security Reform act of 1983.  <response>: Hii ni kwa sababu ya ongezeko la viwango vya kodi, na sio kupunguzwa kwa viwango vya kodi, kama ilivyoelezwa katika Sheria ya Marekebisho ya Usalama wa Jamii ya 1983. 