| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
1.2%
|
|
| 1 | 27 |
5.4%
|
|
| 2 | 322 |
64.3%
|
|
| 7 | 2 |
0.4%
|
|
| 9 | 144 |
28.7%
|
|
| Sysmiss | 708 |