| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 3 |
1.1%
|
| 2 | 2 |
0.7%
|
|
| 3 | 4 |
1.5%
|
|
| 4 | 8 |
3%
|
|
| 5 | 17 |
6.4%
|
|
| 6 | 23 |
8.6%
|
|
| 7 | 34 |
12.7%
|
|
| 8 | 52 |
19.5%
|
|
| 9 | 39 |
14.6%
|
|
| 10 | Very familiar | 85 |
31.8%
|
| Sysmiss | 4 |