sentence: Retail chain Suomen L+ñhikauppa was given the index 5.8 , airline SAS 5.8 , TeliaSonera 's broadband 6.1 , German retail chain Lidl 6.1 , Tele Finland 's mobile subscriptions 6.1 , Tallink shipping line 6.3 , and power company Helsinki Energy 6.3 .