| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 44 |
1.3%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 11 |
0.3%
|
| 3 | NO, NOT USED | 3114 |
91.8%
|
| Sysmiss | 222 |
6.5%
|