| Value | Category | Cases | |
|---|---|---|---|
| 0 | Always | 32 |
2.6%
|
| 1 | Often | 5 |
0.4%
|
| 2 | Sometimes | 120 |
9.7%
|
| 3 | Rarely | 22 |
1.8%
|
| 4 | Never | 1042 |
84.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Missing | 10 |
0.8%
|
| Sysmiss | 25 |