| Value | Category | Cases | |
|---|---|---|---|
| -99 | 2 |
0.6%
|
|
| 1 | Not familiar at all | 10 |
3.2%
|
| 2 | 5 |
1.6%
|
|
| 3 | 27 |
8.7%
|
|
| 4 | 27 |
8.7%
|
|
| 5 | 48 |
15.5%
|
|
| 6 | 55 |
17.8%
|
|
| 7 | 37 |
12%
|
|
| 8 | 57 |
18.4%
|
|
| 9 | 18 |
5.8%
|
|
| 10 | Extremely familiar | 10 |
3.2%
|
| Sysmiss | 13 |
4.2%
|