| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1253 |
89.8%
|
|
| 1 | 14 |
1%
|
|
| 2 | 35 |
2.5%
|
|
| 3 | 21 |
1.5%
|
|
| 4 | 73 |
5.2%
|
|
| Sysmiss | 174 |