| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3491 |
79.3%
|
|
| 2 | 165 |
3.7%
|
|
| 7 | 745 |
16.9%
|
|
| 9 | 3 |
0.1%
|
|
| Sysmiss | 4 |