| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 60 |
4.1%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 6 |
0.4%
|
| 3 | NO, NOT USED | 1166 |
80.2%
|
| Sysmiss | 221 |
15.2%
|