| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 7 |
3%
|
| 2 | 6 |
2.6%
|
|
| 3 | 12 |
5.2%
|
|
| 4 | 9 |
3.9%
|
|
| 5 | 21 |
9.1%
|
|
| 6 | 19 |
8.2%
|
|
| 7 | 22 |
9.5%
|
|
| 8 | 53 |
22.8%
|
|
| 9 | 53 |
22.8%
|
|
| 10 | Very familiar | 30 |
12.9%
|
| Sysmiss | 16 |