| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, paper | 291 |
4.5%
|
| 2 | Yes, electronic | 160 |
2.5%
|
| 3 | Yes, paper and electronic | 160 |
2.5%
|
| 4 | No | 514 |
7.9%
|
| Sysmiss | 5375 |