| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 848 |
70.7%
|
| 1 | Just once or twice | 115 |
9.6%
|
| 2 | Several times | 148 |
12.3%
|
| 3 | Many times | 76 |
6.3%
|
| 4 | Always | 13 |
1.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|