| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 6 |
2%
|
| 2 | 8 |
2.6%
|
|
| 3 | 11 |
3.6%
|
|
| 4 | 22 |
7.2%
|
|
| 5 | 47 |
15.4%
|
|
| 6 | 37 |
12.1%
|
|
| 7 | 39 |
12.8%
|
|
| 8 | 45 |
14.8%
|
|
| 9 | 26 |
8.5%
|
|
| 10 | Very familiar | 64 |
21%
|
| Sysmiss | 2 |