| Value | Category | Cases | |
|---|---|---|---|
| 0 | 158 |
12.5%
|
|
| 1 | 813 |
64.4%
|
|
| 2 | 278 |
22%
|
|
| 3 | 11 |
0.9%
|
|
| 4 | 2 |
0.2%
|
|
| Sysmiss | 52 |