| Value | Category | Cases | |
|---|---|---|---|
| 7 | 63 |
1.5%
|
|
| 8 | 9 |
0.2%
|
|
| 9 | 3 |
0.1%
|
|
| 11 | 1 |
0%
|
|
| 13 | 1 |
0%
|
|
| Missing value | 3992 |
98.1%
|