| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 1 |
0.6%
|
| 2 | 5 |
3.2%
|
|
| 3 | 10 |
6.5%
|
|
| 4 | 9 |
5.8%
|
|
| 5 | 21 |
13.6%
|
|
| 6 | 19 |
12.3%
|
|
| 7 | 28 |
18.2%
|
|
| 8 | 25 |
16.2%
|
|
| 9 | 13 |
8.4%
|
|
| 10 | Extremely familiar | 23 |
14.9%
|
| Sysmiss | 12 |