| Value | Category | Cases | |
|---|---|---|---|
| 1 | -99 | 6 |
0.7%
|
| 2 | -97 | 4 |
0.4%
|
| 3 | 1 | 493 |
54.6%
|
| 4 | 2 | 362 |
40.1%
|
| 5 | 3 | 6 |
0.7%
|
| 6 | 4 | 1 |
0.1%
|
| Missing value | 31 |
3.4%
|