| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 4106 |
13.2%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 201 |
0.6%
|
| 3 | NO, NOT USED | 25933 |
83.5%
|
| Sysmiss | 803 |
2.6%
|