| Value | Category | Cases | |
|---|---|---|---|
| 1 | per day | 74 |
18.5%
|
| 2 | per week | 61 |
15.3%
|
| 3 | per month | 99 |
24.8%
|
| 4 | per quarter | 89 |
22.3%
|
| 5 | per year | 48 |
12%
|
| 6 | other | 28 |
7%
|
| Sysmiss | 29 |