| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 1 |
0.1%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 3 |
0.2%
|
| 3 | NO, NOT USED | 1489 |
86.5%
|
| Sysmiss | 228 |
13.2%
|