| Value | Category | Cases | |
|---|---|---|---|
| 2 | 10 |
2.9%
|
|
| 3 | 16 |
4.7%
|
|
| 4 | 16 |
4.7%
|
|
| 5 | 23 |
6.8%
|
|
| 6 | 23 |
6.8%
|
|
| 7 | 27 |
7.9%
|
|
| 8 | 25 |
7.4%
|
|
| 9 | 16 |
4.7%
|
|
| 10 | 9 |
2.6%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| 13 | 2 |
0.6%
|
|
| Missing value | 171 |
50.3%
|