| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
10.7%
|
|
| 1 | 57 |
76%
|
|
| 2 | 5 |
6.7%
|
|
| 3 | 1 |
1.3%
|
|
| 4 | 3 |
4%
|
|
| 7 | 1 |
1.3%
|
|
| Sysmiss | 9603 |