| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1327 |
7%
|
| 2 | Often | 2044 |
10.8%
|
| 3 | Sometimes | 4861 |
25.6%
|
| 4 | Never | 6401 |
33.7%
|
| 5 | Do not know | 4308 |
22.7%
|
| 99 | Unspecified | 29 |
0.2%
|