| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1076 |
89.7%
|
| 1 | Yes, once or twice | 33 |
2.8%
|
| 2 | Yes, several times | 76 |
6.3%
|
| 3 | Yes, often | 10 |
0.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 5 |
0.4%
|