| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 935 |
78.2%
|
| 1 | Just once or twice | 72 |
6%
|
| 2 | Several times | 94 |
7.9%
|
| 3 | Many times | 61 |
5.1%
|
| 4 | Always | 24 |
2%
|
| 9 | Don't Know | 9 |
0.8%
|
| 998 | Refused | 0 |
0%
|