| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7 |
0.9%
|
|
| 2 | 21 |
2.6%
|
|
| 3 | 156 |
19.2%
|
|
| 4 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| Missing value | 625 |
77.1%
|