<prompt> Translate the following text to SwahiliIn addition, during the first Phase of the program 1995-1999, SO2 emissions were between 20 to 30 percent below their allowable levels.  <response>: Katika kipindi cha kwanza cha mpango huo, mwaka 1995-1999, uzalishaji wa SO2 ulikuwa chini ya viwango vyao vilivyoruhusiwa kwa asilimia 20 hadi 30. 