| Value | Category | Cases | |
|---|---|---|---|
| 1 | 94 |
2.4%
|
|
| 2 | 4 |
0.1%
|
|
| 3 | 368 |
9.3%
|
|
| 4 | 11 |
0.3%
|
|
| 6 | 52 |
1.3%
|
|
| 7 | 181 |
4.6%
|
|
| Missing value | 3230 |
82%
|