| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 7 |
1%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 7 |
1%
|
| 3 | NO, NOT USED | 657 |
93.5%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 31 |
4.4%
|