| Value | Category | Cases | |
|---|---|---|---|
| 1 | 452 |
77.7%
|
|
| 2 | 116 |
19.9%
|
|
| 3 | 11 |
1.9%
|
|
| 4 | 3 |
0.5%
|
|
| Sysmiss | 537 |