| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 6 |
1.9%
|
| 2 | 15 | 1 |
0.3%
|
| 3 | 2 | 5 |
1.6%
|
| 4 | 3 | 5 |
1.6%
|
| 5 | 6 | 1 |
0.3%
|
| 6 | 9 | 1 |
0.3%
|
| Missing value | 303 |
94.1%
|