| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 8001 |
82.7%
|
| 2 | Sometimes | 1286 |
13.3%
|
| 3 | Often | 229 |
2.4%
|
| 4 | Always | 143 |
1.5%
|
| 9 | I don’t know | 15 |
0.2%
|
| Sysmiss | 1 |