| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 264 |
22%
|
| 1 | Just once or twice | 152 |
12.7%
|
| 2 | Several times | 296 |
24.7%
|
| 3 | Many times | 307 |
25.6%
|
| 4 | Always | 179 |
14.9%
|
| 9 | Don't Know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|