| Value | Category | Cases | |
|---|---|---|---|
| 1 | Several times a week | 323 |
11.5%
|
| 2 | Once a week | 790 |
28.2%
|
| 3 | 2 or 3 times a month | 544 |
19.4%
|
| 4 | Once a month | 187 |
6.7%
|
| 5 | Several times a year | 519 |
18.5%
|
| 6 | Once a year | 59 |
2.1%
|
| 7 | Less often | 175 |
6.2%
|
| 8 | Never | 170 |
6.1%
|
| 97 | Refused | 18 |
0.6%
|
| 98 | Do not know | 18 |
0.6%
|
| Sysmiss | 518 |