| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 859 |
71.8%
|
| 1 | Just once or twice | 103 |
8.6%
|
| 2 | Several times | 68 |
5.7%
|
| 3 | Many times | 98 |
8.2%
|
| 4 | Always | 62 |
5.2%
|
| 9 | Don't Know | 7 |
0.6%
|
| 998 | Refused | 0 |
0%
|