| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1017 |
84.8%
|
| 1 | Just once or twice | 157 |
13.1%
|
| 2 | Several times | 15 |
1.3%
|
| 3 | Many times | 7 |
0.6%
|
| 4 | Always | 0 |
0%
|
| 9 | Don't Know | 4 |
0.3%
|
| 998 | Refused | 0 |
0%
|