| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 72 |
32.4%
|
| 2 | 2 | 25 |
11.3%
|
| 3 | 3 | 104 |
46.8%
|
| 4 | 4 | 16 |
7.2%
|
| 5 | 6 | 1 |
0.5%
|
| 6 | 7 | 1 |
0.5%
|
| Missing value | 3 |
1.4%
|