| Value | Category | Cases | |
|---|---|---|---|
| 0 | 426 |
93%
|
|
| 3 | 21 |
4.6%
|
|
| 4 | 2 |
0.4%
|
|
| 5 | 5 |
1.1%
|
|
| 6 | 3 |
0.7%
|
|
| 7 | 1 |
0.2%
|
|
| Sysmiss | 3 |