| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1152 |
80.2%
|
|
| 1 | 7 |
0.5%
|
|
| 2 | 107 |
7.5%
|
|
| 3 | 170 |
11.8%
|
|
| Sysmiss | 1511 |