| Value | Category |
|---|---|
| -5 | HT: Dropped out survey; DE,SE: Inapplicable |
| -4 | Not asked |
| -3 | Not applicable |
| -2 | No answer |
| -1 | Don´t know |
| 1 | More than once a week |
| 2 | Once a week |
| 3 | Once a month |
| 4 | Only on special holy days |
| 5 | Once a year |
| 6 | Less often |
| 7 | Never, practically never |
| Sysmiss |