| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 3 |
0.4%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 2 |
0.2%
|
| 3 | NO, NOT USED | 766 |
91.3%
|
| Sysmiss | 68 |
8.1%
|