| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 572 |
47.7%
|
| 1 | Just once or twice | 237 |
19.8%
|
| 2 | Several times | 189 |
15.8%
|
| 3 | Many times | 143 |
11.9%
|
| 4 | Always | 59 |
4.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|