| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.5%
|
|
| 1 | 51 |
77.3%
|
|
| 2 | 6 |
9.1%
|
|
| 3 | 5 |
7.6%
|
|
| 4 | 3 |
4.5%
|
|
| Sysmiss | 141 |