| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not prepared at all | 58 |
4.7%
|
| 2 | 2 | 55 |
4.4%
|
| 3 | 3 | 165 |
13.3%
|
| 4 | 4 | 170 |
13.7%
|
| 5 | 5 | 233 |
18.7%
|
| 6 | 6 | 231 |
18.6%
|
| 7 | 7 | 193 |
15.5%
|
| 8 | 8 | 115 |
9.2%
|
| 9 | 9 | 20 |
1.6%
|
| 10 | Prepared very well | 5 |
0.4%
|