| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 39 |
7.3%
|
| 2 | Monthly | 62 |
11.7%
|
| 3 | A few times a year | 235 |
44.2%
|
| 4 | Rarely | 132 |
24.8%
|
| 5 | Never | 64 |
12%
|
| -99 | 6 | ||
| Sysmiss | 119 |