| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 134 |
11.5%
|
| 2 | 2 | 272 |
23.3%
|
| 3 | 5 | 1 |
0.1%
|
| 4 | 7 | 5 |
0.4%
|
| Missing value | 753 |
64.6%
|