| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 not used at all | 96 |
6.3%
|
| 1 | 1 | 21 |
1.4%
|
| 2 | 2 | 46 |
3%
|
| 3 | 3 | 50 |
3.3%
|
| 4 | 4 | 72 |
4.7%
|
| 5 | 5 | 119 |
7.8%
|
| 6 | 6 | 96 |
6.3%
|
| 7 | 7 | 115 |
7.6%
|
| 8 | 8 | 160 |
10.5%
|
| 9 | 9 | 43 |
2.8%
|
| 10 | 10 used a lot | 73 |
4.8%
|
| 98 | 98 don't know | 1 |
0.1%
|
| 99 | 99 no answer | 0 |
0%
|
| Sysmiss | 625 |
41.2%
|