| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 6 |
3.4%
|
| 2 | 4 |
2.3%
|
|
| 3 | 16 |
9.1%
|
|
| 4 | 10 |
5.7%
|
|
| 5 | 27 |
15.4%
|
|
| 6 | 18 |
10.3%
|
|
| 7 | 26 |
14.9%
|
|
| 8 | 33 |
18.9%
|
|
| 9 | 18 |
10.3%
|
|
| 10 | Very familiar | 17 |
9.7%
|
| Sysmiss | 5 |