| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 7461 |
90.7%
|
| 1 | Rarely | 359 |
4.4%
|
| 2 | Sometimes | 327 |
4%
|
| 3 | Often | 72 |
0.9%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refuse | 0 |
0%
|
| c | 1 |
0%
|
|
| d | 3 |
0%
|