| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 15 |
6.8%
|
| 2 | 6 |
2.7%
|
|
| 3 | 13 |
5.9%
|
|
| 4 | 12 |
5.5%
|
|
| 5 | 34 |
15.5%
|
|
| 6 | 20 |
9.1%
|
|
| 7 | 27 |
12.3%
|
|
| 8 | 28 |
12.7%
|
|
| 9 | 26 |
11.8%
|
|
| 10 | Very familiar | 39 |
17.7%
|
| Sysmiss | 1 |