| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
2%
|
|
| 1 | 64 |
7.4%
|
|
| 2 | 117 |
13.5%
|
|
| 3 | 290 |
33.5%
|
|
| 4 | 378 |
43.6%
|
|
| Sysmiss | 18231 |