| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
4.4%
|
|
| 1 | 70 |
77.8%
|
|
| 2 | 8 |
8.9%
|
|
| 3 | 3 |
3.3%
|
|
| 4 | 4 |
4.4%
|
|
| 22 | 1 |
1.1%
|
|
| Sysmiss | 9613 |