| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 9 |
3.4%
|
| 2 | 9 |
3.4%
|
|
| 3 | 16 |
6.1%
|
|
| 4 | 12 |
4.6%
|
|
| 5 | 30 |
11.4%
|
|
| 6 | 29 |
11%
|
|
| 7 | 40 |
15.2%
|
|
| 8 | 28 |
10.6%
|
|
| 9 | 26 |
9.9%
|
|
| 10 | Very familiar | 64 |
24.3%
|
| Sysmiss | 8 |