| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 922 |
76.8%
|
| 1 | Just once or twice | 126 |
10.5%
|
| 2 | Several times | 104 |
8.7%
|
| 3 | Many times | 39 |
3.3%
|
| 4 | Always | 9 |
0.8%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|