| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3397 |
26.9%
|
|
| 2 | 8854 |
70.2%
|
|
| 3 | 297 |
2.4%
|
|
| 9 | 64 |
0.5%
|
|
| Sysmiss | 2739 |