| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 580 |
4.1%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 280 |
2%
|
| 3 | NO, NOT USED | 12780 |
89.4%
|
| Sysmiss | 657 |
4.6%
|