| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1097 |
5.6%
|
| 2 | Often | 1376 |
7%
|
| 3 | Sometimes | 2291 |
11.7%
|
| 4 | Never | 1791 |
9.1%
|
| 9 | Unspecified | 13100 |
66.6%
|