| Value | Category | Cases | |
|---|---|---|---|
| 1 | 23 |
7.7%
|
|
| 2 | 23 |
7.7%
|
|
| 3 | 17 |
5.7%
|
|
| 4 | 13 |
4.3%
|
|
| 5 | 8 |
2.7%
|
|
| 6 | 2 |
0.7%
|
|
| 7 | 2 |
0.7%
|
|
| 8 | 4 |
1.3%
|
|
| 9 | 1 |
0.3%
|
|
| Missing value | 207 |
69%
|