| Value | Category | Cases | |
|---|---|---|---|
| 1 | 9 |
2.9%
|
|
| 2 | 16 |
5.2%
|
|
| 3 | 8 |
2.6%
|
|
| 4 | 2 |
0.6%
|
|
| 5 | 2 |
0.6%
|
|
| Missing value | 271 |
88%
|