| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 828 |
69%
|
| 1 | Just once or twice | 91 |
7.6%
|
| 2 | Several times | 102 |
8.5%
|
| 3 | Many times | 97 |
8.1%
|
| 4 | Always | 80 |
6.7%
|
| 9 | Don't Know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|