| Value | Category | Cases | |
|---|---|---|---|
| -99 | 5 |
1.1%
|
|
| 1 | Weekly | 22 |
4.7%
|
| 2 | Monthly | 34 |
7.3%
|
| 3 | A few times a year | 159 |
34.3%
|
| 4 | Rarely | 150 |
32.3%
|
| 5 | Never | 58 |
12.5%
|
| Sysmiss | 36 |
7.8%
|