| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
17.1%
|
|
| 1 | 76 |
65%
|
|
| 2 | 16 |
13.7%
|
|
| 3 | 3 |
2.6%
|
|
| 4 | 2 |
1.7%
|
|
| Sysmiss | 2693 |