| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1063 |
88.6%
|
| 1 | Yes, once or twice | 49 |
4.1%
|
| 2 | Yes, several times | 48 |
4%
|
| 3 | Yes, often | 29 |
2.4%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 9 |
0.8%
|