| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 820 |
68.3%
|
| 1 | Just once or twice | 104 |
8.7%
|
| 2 | Several times | 107 |
8.9%
|
| 3 | Many times | 103 |
8.6%
|
| 4 | Always | 66 |
5.5%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|