| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 2 |
1.4%
|
| 2 | 6 |
4.2%
|
|
| 3 | 7 |
4.9%
|
|
| 4 | 11 |
7.7%
|
|
| 5 | 20 |
14%
|
|
| 6 | 25 |
17.5%
|
|
| 7 | 18 |
12.6%
|
|
| 8 | 24 |
16.8%
|
|
| 9 | 18 |
12.6%
|
|
| 10 | Extremely familiar | 12 |
8.4%
|
| -99 | 5 | ||
| Sysmiss | 12 |