| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
0.5%
|
|
| 4 | 1 |
0.5%
|
|
| 6 | 2 |
1.1%
|
|
| 7 | 1 |
0.5%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 1 |
0.5%
|
|
| 11 | 1 |
0.5%
|
|
| 12 | 4 |
2.2%
|
|
| Missing value | 172 |
93.5%
|