| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 338 |
1.3%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 193 |
0.7%
|
| 3 | NO, NOT USED | 24556 |
94.4%
|
| Sysmiss | 915 |
3.5%
|