| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1359 |
56.6%
|
| 1 | Just once or twice | 328 |
13.7%
|
| 2 | Several times | 443 |
18.5%
|
| 3 | Many times | 263 |
11%
|
| 4 | Always | 6 |
0.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0%
|