| Value | Category | Cases | |
|---|---|---|---|
| 1 | 135 |
19.4%
|
|
| 2 | 223 |
32.1%
|
|
| 3 | 224 |
32.2%
|
|
| 4 | 73 |
10.5%
|
|
| 5 | 32 |
4.6%
|
|
| 6 | 8 |
1.2%
|
|
| Missing value | 29 |