| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 998 |
83.2%
|
| 1 | Yes, once or twice | 66 |
5.5%
|
| 2 | Yes, several times | 84 |
7%
|
| 3 | Yes, often | 32 |
2.7%
|
| 8 | Refused | 7 |
0.6%
|
| 9 | Don't know | 13 |
1.1%
|