| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
8.7%
|
|
| 1 | 20 |
43.5%
|
|
| 2 | 19 |
41.3%
|
|
| 3 | 1 |
2.2%
|
|
| 4 | 2 |
4.3%
|
|
| Sysmiss | 2211 |