| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 not used at all | 130 |
8.6%
|
| 1 | 1 | 30 |
2%
|
| 2 | 2 | 55 |
3.6%
|
| 3 | 3 | 48 |
3.2%
|
| 4 | 4 | 54 |
3.6%
|
| 5 | 5 | 117 |
7.7%
|
| 6 | 6 | 91 |
6%
|
| 7 | 7 | 99 |
6.5%
|
| 8 | 8 | 180 |
11.9%
|
| 9 | 9 | 73 |
4.8%
|
| 10 | 10 used a lot | 242 |
16%
|
| 98 | 98 don't know | 5 |
0.3%
|
| 99 | 99 no answer | 0 |
0%
|
| Sysmiss | 389 |
25.7%
|