| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 6 |
1.6%
|
| 2 | 12 |
3.2%
|
|
| 3 | 10 |
2.6%
|
|
| 4 | 13 |
3.4%
|
|
| 5 | 50 |
13.2%
|
|
| 6 | 24 |
6.3%
|
|
| 7 | 66 |
17.4%
|
|
| 8 | 81 |
21.3%
|
|
| 9 | 62 |
16.3%
|
|
| 10 | Very familiar | 56 |
14.7%
|
| Sysmiss | 4 |