| Value | Category | Cases | |
|---|---|---|---|
| 0 | 994 |
62.3%
|
|
| 1 | 280 |
17.5%
|
|
| 2 | 209 |
13.1%
|
|
| 3 | 113 |
7.1%
|
|
| Sysmiss | 99 |