| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1540 |
26.3%
|
|
| 2 | 4217 |
72%
|
|
| 8 | 79 |
1.3%
|
|
| 9 | 20 |
0.3%
|
|
| Sysmiss | 9495 |