| Value | Category | Cases | |
|---|---|---|---|
| 0 | 702 |
74.4%
|
|
| 1 | 181 |
19.2%
|
|
| 2 | 57 |
6%
|
|
| 3 | 3 |
0.3%
|
|
| 20 | 1 |
0.1%
|
|
| Sysmiss | 1 |