| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1138 |
47.2%
|
| 1 | Just once or twice | 517 |
21.5%
|
| 2 | Several times | 490 |
20.3%
|
| 3 | Many times | 194 |
8%
|
| 4 | Always | 67 |
2.8%
|
| 9 | Don't Know | 4 |
0.2%
|
| 998 | Refused | 0 |
0%
|