| Value | Category | Cases | |
|---|---|---|---|
| 1 | 881 |
55.2%
|
|
| 2 | 25 |
1.6%
|
|
| 3 | 362 |
22.7%
|
|
| 4 | 220 |
13.8%
|
|
| 999 | 108 |
6.8%
|
|
| Sysmiss | 99 |