| Value | Category | Cases | |
|---|---|---|---|
| 1 | 148 |
28.8%
|
|
| 2 | 1 |
0.2%
|
|
| 3 | 3 |
0.6%
|
|
| 4 | 10 |
1.9%
|
|
| Missing value | 351 |
68.4%
|