| Value | Category | Cases | |
|---|---|---|---|
| 0 | 340 |
98.8%
|
|
| 1 | 2 |
0.6%
|
|
| 4 | 1 |
0.3%
|
|
| 20 | 1 |
0.3%
|
|
| Sysmiss | 2392 |