| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 28 |
17.5%
|
| 2 | 2 | 105 |
65.6%
|
| 3 | 3 | 26 |
16.3%
|
| 4 | 96 | 1 |
0.6%
|
| Missing value | 220 |