| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
0.6%
|
|
| 3 | 3 |
1.9%
|
|
| 4 | 9 |
5.6%
|
|
| 5 | 6 |
3.8%
|
|
| 6 | 6 |
3.8%
|
|
| 7 | 2 |
1.3%
|
|
| 8 | 2 |
1.3%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 3 |
1.9%
|
|
| 11 | 1 |
0.6%
|
|
| 14 | 2 |
1.3%
|
|
| 15 | 1 |
0.6%
|
|
| Missing value | 123 |
76.9%
|