| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 2212 |
92.2%
|
| 1 | Yes, once or twice | 109 |
4.5%
|
| 2 | Yes, several times | 54 |
2.3%
|
| 3 | Yes, often | 24 |
1%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don't know | 0 |
0%
|