| Value | Category | Cases | |
|---|---|---|---|
| 1 | never / do not compare | 67 |
4.5%
|
| 2 | once a year or less frequent | 134 |
9.1%
|
| 3 | two or three times a year | 229 |
15.5%
|
| 4 | monthly or more often | 1049 |
70.9%
|
| Sysmiss | 1660 |