| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 17 |
0.9%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 4 |
0.2%
|
| 3 | NO, NOT USED | 1713 |
93.9%
|
| Sysmiss | 90 |
4.9%
|