| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 7 |
0.1%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 9 |
0.1%
|
| 3 | NO, NOT USED | 5259 |
81.1%
|
| Sysmiss | 1208 |
18.6%
|