| Value | Category | Cases | |
|---|---|---|---|
| 0 | 253 |
80.8%
|
|
| 1 | 23 |
7.3%
|
|
| 2 | 14 |
4.5%
|
|
| 3 | 17 |
5.4%
|
|
| 4 | 3 |
1%
|
|
| 5 | 3 |
1%
|
|
| Sysmiss | 5914 |