| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
4%
|
|
| 1 | 315 |
83.8%
|
|
| 2 | 23 |
6.1%
|
|
| 3 | 17 |
4.5%
|
|
| 4 | 6 |
1.6%
|
|
| Sysmiss | 14975 |