| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 9 |
2.4%
|
| 2 | 2 | 29 |
7.7%
|
| 3 | 3 | 34 |
9%
|
| 4 | 4 | 77 |
20.4%
|
| 5 | 5 | 74 |
19.6%
|
| 6 | 6 | 53 |
14.1%
|
| 7 | 7 | 33 |
8.8%
|
| 8 | 8 | 31 |
8.2%
|
| 9 | 9 | 18 |
4.8%
|
| 10 | 10 | 6 |
1.6%
|
| 11 | 11 | 7 |
1.9%
|
| 12 | 12+ | 6 |
1.6%
|
| Missing value | 3 |