| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ENTIRE QUESTIONNAIRE | 25 |
0.4%
|
| 2 | YES, PART OF QUESTIONNAIRE | 3 |
0.1%
|
| 3 | NO, NOT USED | 3798 |
63.3%
|
| Sysmiss | 2174 |
36.2%
|