| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 not used at all | 413 |
27.5%
|
| 1 | 1 | 60 |
4%
|
| 2 | 2 | 68 |
4.5%
|
| 3 | 3 | 69 |
4.6%
|
| 4 | 4 | 49 |
3.3%
|
| 5 | 5 | 76 |
5.1%
|
| 6 | 6 | 46 |
3.1%
|
| 7 | 7 | 57 |
3.8%
|
| 8 | 8 | 49 |
3.3%
|
| 9 | 9 | 14 |
0.9%
|
| 10 | 10 used a lot | 15 |
1%
|
| 98 | 98 don't know | 0 |
0%
|
| 99 | 99 no answer | 3 |
0.2%
|
| Sysmiss | 583 |
38.8%
|