| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1225 |
51%
|
| 1 | Just once or twice | 355 |
14.8%
|
| 2 | Several times | 370 |
15.4%
|
| 3 | Many times | 234 |
9.8%
|
| 4 | Always | 215 |
9%
|
| 9 | Don't Know | 1 |
0%
|
| 998 | Refused | 0 |
0%
|