lines ▁R AS K ▁fell ▁by ▁ 5 1 % ▁from ▁US ¢ 1 7 . 5 ▁in ▁ 1 9 6 0 ▁to ▁ 8 . 6 ▁c ents ▁in ▁ 2 0 1 5 , ▁while ▁C AS K ▁went ▁ 5 4 % ▁down ▁from ▁ 1 7 . 5 ▁to ▁ 8 . 1 . ▁For ▁the ▁world ▁air line ▁industry ▁between ▁ 2 0 0 3 ▁and ▁ 2 0 1 7 , ▁C AS K ▁ex cluding ▁fuel ▁was ▁around ▁US ¢ 6 , ▁fuel ▁C AS K ▁was ▁between ▁US ¢ 1 ▁and ▁US ¢ 3 . 5 , ▁and ▁R AS K ▁was ▁between ▁US ¢ 7 ▁and ▁US ¢ 1 0 . ▁ ▁See ▁also ▁air ▁travel ▁ ▁References ▁ ▁Further ▁reading ▁▁▁ ▁Category : C ivil ▁av iation ▁Category : Transport ▁econom ics <0x0A> </s> ▁S idi ▁Z ah ar ▁( A rab ic : ▁ س ي د ي ▁ال ز ه ا ر ) ▁is ▁a ▁town ▁and ▁commune ▁in ▁Méd é a ▁Province , ▁Al ger ia . ▁According ▁to ▁the ▁ 1 9 9 8 ▁census ▁it ▁has ▁a ▁population ▁of ▁ 8 0 1 8 . ▁ ▁References ▁ ▁Category : Pop ulated ▁places ▁in ▁Méd é a ▁Province ▁Category : Comm unes ▁of ▁Al ger ia <0x0A> </s> ▁W RU F - FM ▁( 1 0 3 . 7 ▁FM ) ▁is ▁a ▁radio ▁station ▁broadcast ing ▁a ▁country ▁music ▁format . ▁Lic ensed ▁to ▁G aines