ments ▁( 7 . 4 %) ▁were ▁season ally ▁occupied ▁and ▁ 1 9 8 ▁apart ments ▁( 5 . 1 %) ▁were ▁empty . ▁ ▁, ▁the ▁construction ▁rate ▁of ▁new ▁housing ▁units ▁was ▁ 0 . 9 ▁new ▁units ▁per ▁ 1 0 0 0 ▁residents . ▁ ▁The ▁vac ancy ▁rate ▁for ▁the ▁municipality , ▁, ▁was ▁ 3 . 5 9 %. ▁ ▁In ▁ 2 0 1 1 , ▁single ▁family ▁homes ▁made ▁up ▁ 5 1 . 4 % ▁of ▁the ▁total ▁housing ▁in ▁the ▁municipality . ▁ ▁The ▁historical ▁population ▁is ▁given ▁in ▁the ▁following ▁chart : ▁ ▁Heritage ▁sites ▁of ▁national ▁significance ▁ ▁The ▁chap el ▁and ▁c emetery ▁De ▁Ch ali ère ▁is ▁listed ▁as ▁a ▁Swiss ▁her itage ▁site ▁of ▁national ▁significance . ▁ ▁The ▁entire ▁urban ized ▁village ▁of ▁M out ier ▁is ▁part ▁of ▁the ▁In ventory ▁of ▁Swiss ▁Heritage ▁S ites . ▁ ▁Polit ics ▁In ▁the ▁ 2 0 1 1 ▁federal ▁election ▁the ▁most ▁popular ▁party ▁was ▁the ▁Social ▁Democratic ▁Party ▁( SP ) ▁which ▁received ▁ 2 3 . 7 % ▁of ▁the ▁vote . ▁ ▁The ▁next ▁three ▁most ▁popular ▁parties ▁were ▁the ▁Swiss ▁People ' s ▁Party ▁( SV P ) ▁( 2 2 . 7 % ), ▁the ▁Christian ▁Democratic ▁People ' s ▁Party ▁( CV P ) ▁( 1 7 . 7 %) ▁and ▁another ▁local ▁party ▁( 1 5 . 1 %). ▁ ▁In ▁the ▁federal ▁election , ▁a ▁total ▁of ▁