| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 |
8.8%
|
|
| 2 | 12 |
5.3%
|
|
| 3 | 3 |
1.3%
|
|
| 4 | 2 |
0.9%
|
|
| 5 | 1 |
0.4%
|
|
| Missing value | 188 |
83.2%
|