| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 308 |
25.7%
|
| 1 | Just once or twice | 209 |
17.5%
|
| 2 | Several times | 285 |
23.8%
|
| 3 | Many times | 261 |
21.8%
|
| 4 | Always | 124 |
10.4%
|
| 9 | Don't Know | 10 |
0.8%
|
| 998 | Refused | 0 |
0%
|