| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 553 |
8.4%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 11 |
0.2%
|
| 3 | NO, NOT USED | 5323 |
80.9%
|
| Sysmiss | 689 |
10.5%
|