| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 208 |
17.3%
|
| 1 | Just once or twice | 270 |
22.5%
|
| 2 | Several times | 332 |
27.7%
|
| 3 | Many times | 262 |
21.8%
|
| 4 | Always | 128 |
10.7%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|