| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 987 |
82.3%
|
| 1 | Just once or twice | 53 |
4.4%
|
| 2 | Several times | 86 |
7.2%
|
| 3 | Many times | 44 |
3.7%
|
| 4 | Always | 30 |
2.5%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|