| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2146 |
97.4%
|
|
| 1 | 12 |
0.5%
|
|
| 8 | 17 |
0.8%
|
|
| 9 | 29 |
1.3%
|
|
| Sysmiss | 554 |