▁not ▁cause ▁aut ism . ▁A ▁ 2 0 0 4 ▁Japanese ▁aut ism ▁association ▁reported ▁that ▁about ▁ 3 6 0 . 0 0 0 ▁people ▁have ▁typical ▁K anner - type ▁aut ism . ▁ ▁Middle ▁East ▁ ▁Israel ▁A ▁ 2 0 0 9 ▁study ▁reported ▁that ▁the ▁annual ▁inc idence ▁rate ▁of ▁Isra eli ▁children ▁with ▁a ▁diagn osis ▁of ▁AS D ▁receiving ▁dis ability ▁benefits ▁rose ▁from ▁zero ▁in ▁ 1 9 8 2 – 1 9 8 4 ▁to ▁ 1 9 0 ▁per ▁million ▁in ▁ 2 0 0 4 . ▁It ▁was ▁not ▁known ▁whether ▁these ▁figures ▁reflected ▁true ▁increases ▁or ▁other ▁factors ▁such ▁as ▁changes ▁in ▁di agnostic ▁measures . ▁ ▁Sa udi ▁Arab ia ▁Studies ▁of ▁aut ism ▁frequency ▁have ▁been ▁particularly ▁rare ▁in ▁the ▁Middle ▁East . ▁One ▁rough ▁estimate ▁is ▁that ▁the ▁pre val ence ▁of ▁aut ism ▁in ▁Sa udi ▁Arab ia ▁is ▁ 1 8 ▁per ▁ 1 0 , 0 0 0 , ▁slightly ▁higher ▁than ▁the ▁ 1 3 ▁per ▁ 1 0 , 0 0 0 ▁reported ▁in ▁developed ▁countries .( comp ared ▁to ▁ 1 6 8 ▁per ▁ 1 0 , 0 0 0 ▁in ▁the ▁USA ) ▁ ▁Europe ▁ ▁Den mark ▁In ▁ 1 9 9 2 , ▁th iom ers al - cont aining ▁v acc ines ▁were ▁removed ▁in ▁Den mark . ▁A ▁study ▁at ▁A ar hus ▁University ▁indicated ▁that ▁the ▁rates ▁of ▁aut ism ▁had ▁stabil ized ▁and