| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 |
10%
|
|
| 2 | 13 |
26%
|
|
| 3 | 15 |
30%
|
|
| 4 | 6 |
12%
|
|
| 5 | 4 |
8%
|
|
| 6 | 1 |
2%
|
|
| 7 | 5 |
10%
|
|
| 14 | 1 |
2%
|
|
| Missing value | 330 |