| Value | Category | Cases | |
|---|---|---|---|
| 0 | Always | 73 |
2%
|
| 1 | Often | 16 |
0.4%
|
| 2 | Sometimes | 349 |
9.8%
|
| 3 | Rarely | 114 |
3.2%
|
| 4 | Never | 2993 |
83.7%
|
| 8 | Refused | 1 |
0%
|
| 9 | Missing | 28 |
0.8%
|
| Sysmiss | 45 |