| Value | Category | Cases | |
|---|---|---|---|
| 0 | 38 |
2.6%
|
|
| 1 | 22 |
1.5%
|
|
| 2 | 240 |
16.5%
|
|
| 3 | 132 |
9.1%
|
|
| 4 | 1022 |
70.3%
|
|
| Sysmiss | 109 |