| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 not used at all | 406 |
27%
|
| 1 | 1 | 60 |
4%
|
| 2 | 2 | 104 |
6.9%
|
| 3 | 3 | 64 |
4.3%
|
| 4 | 4 | 62 |
4.1%
|
| 5 | 5 | 93 |
6.2%
|
| 6 | 6 | 48 |
3.2%
|
| 7 | 7 | 30 |
2%
|
| 8 | 8 | 35 |
2.3%
|
| 9 | 9 | 3 |
0.2%
|
| 10 | 10 used a lot | 8 |
0.5%
|
| 98 | 98 don't know | 5 |
0.3%
|
| 99 | 99 no answer | 1 |
0.1%
|
| Sysmiss | 583 |
38.8%
|