| Value | Category | Cases | |
|---|---|---|---|
| 0 | 648 |
80.2%
|
|
| 1 | 9 |
1.1%
|
|
| 2 | 137 |
17%
|
|
| 3 | 14 |
1.7%
|
|
| Sysmiss | 2139 |