| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 not used at all | 385 |
25.6%
|
| 1 | 1 | 87 |
5.8%
|
| 2 | 2 | 151 |
10.1%
|
| 3 | 3 | 89 |
5.9%
|
| 4 | 4 | 63 |
4.2%
|
| 5 | 5 | 78 |
5.2%
|
| 6 | 6 | 33 |
2.2%
|
| 7 | 7 | 11 |
0.7%
|
| 8 | 8 | 11 |
0.7%
|
| 9 | 9 | 7 |
0.5%
|
| 10 | 10 used a lot | 4 |
0.3%
|
| 98 | 98 don't know | 0 |
0%
|
| 99 | 99 no answer | 0 |
0%
|
| Sysmiss | 583 |
38.8%
|