| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 2 |
1%
|
| 1 | More frequently than once per week | 35 |
17.7%
|
| 2 | Once per week | 57 |
28.8%
|
| 3 | Several times per month | 72 |
36.4%
|
| 4 | Once per month | 22 |
11.1%
|
| 5 | Several times per year | 9 |
4.5%
|
| 6 | Once per year | 1 |
0.5%
|
| Sysmiss | 2 |