گزینههای پاسخ: I don't know what it is, Never or almost never, Several times a month, Several times a week, Several times a day, Valid Skip, Not Applicable, Invalid, No Response
گزینههای پاسخ: Very Satisfied, Fairly Satisfied, Not Very Satisfied, Not Satisfied At All, Don't Know, Refuse to Answer, Don't Know/Refused, Seen But Not Answered
گزینههای پاسخ: I don't know what it is, Never or almost never, Several times a month, Several times a week, Several times a day, Valid Skip, Not Applicable, Invalid, No Response
