| Value | Category | Cases | |
|---|---|---|---|
| 0 | 151 |
0.9%
|
|
| 1 | 4828 |
29.5%
|
|
| 2 | 11363 |
69.5%
|
|
| 9 | 2 |
0%
|
|
| Sysmiss | 15517 |