| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 7 |
1.1%
|
| 2 | Sometimes | 15 |
2.5%
|
| 3 | Rarely | 38 |
6.2%
|
| 4 | Never | 551 |
90.2%
|
| 5 | Refuse to answer | 0 |
0%
|
| Sysmiss | 131 |