| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 992 |
82.7%
|
| 1 | Just once or twice | 114 |
9.5%
|
| 2 | Several times | 57 |
4.8%
|
| 3 | Many times | 25 |
2.1%
|
| 4 | Always | 12 |
1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|