1 ▁apart ments ▁with ▁five ▁or ▁more ▁rooms . ▁ ▁Of ▁these ▁apart ments , ▁a ▁total ▁of ▁ 5 0 6 ▁apart ments ▁( 9 4 . 6 % ▁of ▁the ▁total ) ▁were ▁perman ently ▁occupied , ▁while ▁ 2 5 ▁apart ments ▁( 4 . 7 %) ▁were ▁season ally ▁occupied ▁and ▁ 4 ▁apart ments ▁( 0 . 7 %) ▁were ▁empty . ▁ ▁, ▁the ▁construction ▁rate ▁of ▁new ▁housing ▁units ▁was ▁ 3 3 . 6 ▁new ▁units ▁per ▁ 1 0 0 0 ▁residents . ▁ ▁The ▁vac ancy ▁rate ▁for ▁the ▁municipality , ▁, ▁was ▁ 0 . 7 9 %. ▁ ▁The ▁historical ▁population ▁is ▁given ▁in ▁the ▁following ▁chart : ▁ ▁Heritage ▁sites ▁of ▁national ▁significance ▁ ▁The ▁Centre ▁d ' archiv age ▁of ▁the ▁Swiss ▁Film ▁Archive ▁is ▁listed ▁as ▁a ▁Swiss ▁her itage ▁site ▁of ▁national ▁significance . ▁ ▁Polit ics ▁In ▁the ▁ 2 0 0 7 ▁federal ▁election ▁the ▁most ▁popular ▁party ▁was ▁the ▁SV P ▁which ▁received ▁ 2 5 . 4 5 % ▁of ▁the ▁vote . ▁ ▁The ▁next ▁three ▁most ▁popular ▁parties ▁were ▁the ▁SP ▁( 2 2 . 9 1 % ), ▁the ▁Green ▁Party ▁( 1 3 . 9 3 %) ▁and ▁the ▁F DP ▁( 1 1 . 4 3 %). ▁ ▁In ▁the ▁federal ▁election , ▁a ▁total ▁of ▁ 3 5 2 ▁votes ▁were ▁cast , ▁and ▁the ▁vot er ▁turn out ▁was ▁ 3 9 . 7 %. ▁