| Value | Category | Cases | |
|---|---|---|---|
| 0 | 922 |
90.5%
|
|
| 1 | 6 |
0.6%
|
|
| 2 | 14 |
1.4%
|
|
| 9 | 77 |
7.6%
|
|
| Sysmiss | 36 |