| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 661 |
55.1%
|
| 1 | Only sometimes | 209 |
17.4%
|
| 2 | Often | 153 |
12.8%
|
| 3 | Always | 128 |
10.7%
|
| 9 | Don't know | 49 |
4.1%
|
| 998 | Refused | 0 |
0%
|