| Value | Category | Cases | |
|---|---|---|---|
| 0 | 600 |
75.9%
|
|
| 1 | 158 |
20%
|
|
| 2 | 20 |
2.5%
|
|
| 3 | 12 |
1.5%
|
|
| Sysmiss | 905 |