▁F DP ▁( 9 . 3 2 %). ▁ ▁In ▁the ▁federal ▁election , ▁a ▁total ▁of ▁ 9 2 3 ▁votes ▁were ▁cast , ▁and ▁the ▁vot er ▁turn out ▁was ▁ 5 5 . 7 %. ▁ ▁The ▁historical ▁population ▁is ▁given ▁in ▁the ▁following ▁table : ▁ ▁Heritage ▁sites ▁of ▁national ▁significance ▁ ▁The ▁Syn agog ue ▁on ▁Zürich str asse ▁is ▁listed ▁as ▁a ▁Swiss ▁her itage ▁site ▁of ▁national ▁significance . ▁ ▁The ▁ham lets ▁of ▁Hus en ▁and ▁Vog els ang ▁and ▁the ▁entire ▁village ▁of ▁L eng n au ▁are ▁designated ▁as ▁part ▁of ▁the ▁In ventory ▁of ▁Swiss ▁Heritage ▁S ites . ▁ ▁Econom y ▁, ▁L eng n au ▁had ▁an ▁un emp loyment ▁rate ▁of ▁ 1 . 5 3 %. ▁ ▁, ▁there ▁were ▁ 1 2 8 ▁people ▁employed ▁in ▁the ▁primary ▁economic ▁sector ▁and ▁about ▁ 5 1 ▁business es ▁involved ▁in ▁this ▁sector . ▁▁ 3 3 1 ▁people ▁are ▁employed ▁in ▁the ▁secondary ▁sector ▁and ▁there ▁are ▁ 2 9 ▁business es ▁in ▁this ▁sector . ▁▁ 4 1 5 ▁people ▁are ▁employed ▁in ▁the ▁t ert i ary ▁sector , ▁with ▁ 7 1 ▁business es ▁in ▁this ▁sector . ▁▁ ▁there ▁were ▁ 1 , 1 4 8 ▁workers ▁who ▁lived ▁in ▁the ▁municipality . ▁ ▁Of ▁these , ▁ 8 6 6 ▁or ▁about ▁ 7 5 . 4 % ▁of ▁the ▁residents ▁worked ▁outside ▁L eng n au ▁while ▁ 4 2 3 ▁people