| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 1 |
0.2%
|
| 2 | Sometimes | 6 |
1%
|
| 3 | Rarely | 18 |
2.9%
|
| 4 | Never | 586 |
95.9%
|
| 5 | Refuse to answer | 0 |
0%
|
| Sysmiss | 131 |