| Value | Category | Cases | |
|---|---|---|---|
| 1 | 26 |
7.7%
|
|
| 2 | 15 |
4.5%
|
|
| 3 | 5 |
1.5%
|
|
| 4 | 2 |
0.6%
|
|
| 5 | 1 |
0.3%
|
|
| Missing value | 287 |
85.4%
|