| Value | Category | Cases | |
|---|---|---|---|
| 1 | never / do not compare | 16 |
1.2%
|
| 2 | once a year or less frequent | 158 |
11.9%
|
| 3 | two or three times a year | 452 |
33.9%
|
| 4 | monthly or more often | 706 |
53%
|
| Sysmiss | 1807 |