| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 1 |
0.5%
|
| 2 | 9 |
4.5%
|
|
| 3 | 7 |
3.5%
|
|
| 4 | 7 |
3.5%
|
|
| 5 | 19 |
9.5%
|
|
| 6 | 35 |
17.4%
|
|
| 7 | 78 |
38.8%
|
|
| 8 | 33 |
16.4%
|
|
| 9 | 8 |
4%
|
|
| 10 | Extremely familiar | 4 |
2%
|
| Sysmiss | 1 |