| Familiarity level | Frequency | Percentage |
| I know too much | 13 | 3.4 |
| I know much | 14 | 4.6 |
| I know somehow | 144 | 37.5 |
| I know low | 143 | 37.2 |
| I do not know | 70 | 18.2 |
| Total | 384 | 100 |