| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 34 |
2.9%
|
| 2 | 2 | 114 |
9.7%
|
| 3 | 3 | 157 |
13.4%
|
| 4 | 4 | 206 |
17.6%
|
| 5 | 5 | 176 |
15%
|
| 6 | 6 | 139 |
11.9%
|
| 7 | 7 | 95 |
8.1%
|
| 8 | 8 | 55 |
4.7%
|
| 9 | 9+ | 73 |
6.2%
|
| Missing value | 122 |
10.4%
|