| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 28 |
6.7%
|
| 2 | 2 | 235 |
55.8%
|
| 3 | 3 | 13 |
3.1%
|
| 4 | 4 | 3 |
0.7%
|
| 5 | 5 | 2 |
0.5%
|
| 6 | 7 | 16 |
3.8%
|
| 7 | 96 | 35 |
8.3%
|
| Missing value | 89 |
21.1%
|