| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 6 |
1.1%
|
| 2 | 11 |
2%
|
|
| 3 | 19 |
3.5%
|
|
| 4 | 17 |
3.1%
|
|
| 5 | 90 |
16.6%
|
|
| 6 | 68 |
12.6%
|
|
| 7 | 128 |
23.7%
|
|
| 8 | 114 |
21.1%
|
|
| 9 | 65 |
12%
|
|
| 10 | Extremely familiar | 23 |
4.3%
|
| -99 | 15 | ||
| 11 | 1 | ||
| Sysmiss | 23 |