| Value | Category | Cases | |
|---|---|---|---|
| 1 | 311 |
20.1%
|
|
| 2 | 542 |
35.1%
|
|
| 3 | 332 |
21.5%
|
|
| 4 | 197 |
12.8%
|
|
| 5 | 77 |
5%
|
|
| 6 | 85 |
5.5%
|
|
| Missing value | 182 |