| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 954 |
79.5%
|
| 1 | Just once or twice | 122 |
10.2%
|
| 2 | Several times | 62 |
5.2%
|
| 3 | Many times | 40 |
3.3%
|
| 4 | Always | 22 |
1.8%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|