| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1 |
0.2%
|
| 1 | 1. sometimes | 336 |
68.6%
|
| 2 | 2. often | 105 |
21.4%
|
| 3 | 37 |
7.6%
|
|
| 4 | 7 |
1.4%
|
|
| 5 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 2 |
0.4%
|
|
| Sysmiss | 1073 |