| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 not used at all | 664 |
43.8%
|
| 1 | 1 | 57 |
3.8%
|
| 2 | 2 | 45 |
3%
|
| 3 | 3 | 34 |
2.2%
|
| 4 | 4 | 14 |
0.9%
|
| 5 | 5 | 31 |
2%
|
| 6 | 6 | 14 |
0.9%
|
| 7 | 7 | 11 |
0.7%
|
| 8 | 8 | 12 |
0.8%
|
| 9 | 9 | 4 |
0.3%
|
| 10 | 10 used a lot | 4 |
0.3%
|
| 98 | 98 don't know | 0 |
0%
|
| 99 | 99 no answer | 2 |
0.1%
|
| Sysmiss | 625 |
41.2%
|