| Value | Category | Cases | |
|---|---|---|---|
| 3 | 1 |
0.5%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 3 |
1.6%
|
|
| 6 | 1 |
0.5%
|
|
| 7 | 4 |
2.1%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 2 |
1.1%
|
|
| 11 | 1 |
0.5%
|
|
| 12 | 19 |
10.1%
|
|
| Missing value | 156 |
82.5%
|