| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 5 |
1.8%
|
| 2 | 6 |
2.2%
|
|
| 3 | 5 |
1.8%
|
|
| 4 | 7 |
2.5%
|
|
| 5 | 20 |
7.2%
|
|
| 6 | 26 |
9.4%
|
|
| 7 | 31 |
11.2%
|
|
| 8 | 52 |
18.7%
|
|
| 9 | 49 |
17.6%
|
|
| 10 | Very familiar | 77 |
27.7%
|
| Sysmiss | 1 |