| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
18.4%
|
|
| 2 | 15 |
19.7%
|
|
| 6 | 3 |
3.9%
|
|
| 7 | 1 |
1.3%
|
|
| 9 | 43 |
56.6%
|
|
| Sysmiss | 1135 |