| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 496 |
41.6%
|
| 1 | Just once or twice | 128 |
10.7%
|
| 2 | Several times | 329 |
27.6%
|
| 3 | Many times | 220 |
18.5%
|
| 4 | Always | 14 |
1.2%
|
| 9 | Don't Know | 4 |
0.3%
|
| 98 | Refused | 0 |
0%
|