| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 1 |
0.3%
|
| 2 | 12 | 20 |
6.3%
|
| 3 | 2 | 1 |
0.3%
|
| 4 | 3 | 2 |
0.6%
|
| 5 | 5 | 1 |
0.3%
|
| 6 | 6 | 6 |
1.9%
|
| 7 | 7 | 2 |
0.6%
|
| 8 | 9 | 5 |
1.6%
|
| Missing value | 282 |
88.1%
|