[['party', 'medium gallup , march 2008', 'strategic marketing , march 2008', 'cesid , may 2008', 'medium gallup , may 2008'], ['srs', '91', '90', '86', '90'], ['zes', '88', '83', '81', '85'], ['dss - ns', '30', '30', '35', '30'], ['sps', '16', '17', '19', '19'], ['ldp', '15', '20', '19', '16'], ['minorities', '10', '10', '10', '10'], ['total', '250', '250', '250', '250']]
the Zes went from 88 percent to 85 percent from the Medium Gallup , March 2008 to May 2008 , but the Dss - N did not change at all , staying at 30 percent
the [ENT] went from [ENT] percent to [ENT] percent from the [ENT] to [ENT] but the [ENT] did not change at all , staying at [ENT] percent