| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.2%
|
|
| 2 | 2 |
0.4%
|
|
| 3 | 6 |
1.2%
|
|
| 4 | 2 |
0.4%
|
|
| 5 | 19 |
3.7%
|
|
| Missing value | 483 |
94.2%
|