| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 396 |
33%
|
| 1 | Just once or twice | 191 |
15.9%
|
| 2 | Several times | 392 |
32.7%
|
| 3 | Many times | 188 |
15.7%
|
| 4 | Always | 31 |
2.6%
|
| 9 | Don't Know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|