| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 3833 |
10.4%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 1044 |
2.8%
|
| 3 | NO, NOT USED | 31849 |
86.7%
|
| Sysmiss | 428 |