| Value | Category | Cases | |
|---|---|---|---|
| 2 | 14 |
3.7%
|
|
| 3 | 27 |
7.1%
|
|
| 4 | 195 |
51%
|
|
| 5 | 111 |
29.1%
|
|
| 6 | 12 |
3.1%
|
|
| 7 | 16 |
4.2%
|
|
| 8 | 3 |
0.8%
|
|
| 9 | 4 |
1%
|
|
| Missing value | 2 |