گزینههای پاسخ: DE,SE:Inapplicable ; RU:Inappropriate response; Missing{Inap, Not asked in survey, Not applicable, No answer, Don´t know, Not at all important, 2, 3, 4, 5, 6, 7, 8, 9, Very important
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