| Value | Category | Cases | |
|---|---|---|---|
| 3 | 2 |
2.2%
|
|
| 5 | 3 |
3.3%
|
|
| 6 | 6 |
6.7%
|
|
| 9 | 1 |
1.1%
|
|
| 11 | 2 |
2.2%
|
|
| 12 | 35 |
38.9%
|
|
| Missing value | 41 |
45.6%
|