| Value | Category | Cases | |
|---|---|---|---|
| 2 | 8 |
3.1%
|
|
| 3 | 1 |
0.4%
|
|
| 4 | 7 |
2.7%
|
|
| 5 | 4 |
1.5%
|
|
| 6 | 6 |
2.3%
|
|
| 7 | 4 |
1.5%
|
|
| 8 | 8 |
3.1%
|
|
| 9 | 4 |
1.5%
|
|
| 11 | 2 |
0.8%
|
|
| 12 | 30 |
11.6%
|
|
| Missing value | 185 |
71.4%
|