| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 20 |
2.6%
|
| 2 | 10 | 8 |
1%
|
| 3 | 11 | 3 |
0.4%
|
| 4 | 12 | 60 |
7.9%
|
| 5 | 2 | 36 |
4.7%
|
| 6 | 3 | 28 |
3.7%
|
| 7 | 4 | 8 |
1%
|
| 8 | 5 | 9 |
1.2%
|
| 9 | 6 | 4 |
0.5%
|
| 10 | 7 | 17 |
2.2%
|
| 11 | 8 | 11 |
1.4%
|
| 12 | 9 | 8 |
1%
|
| Missing value | 552 |
72.3%
|