| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ENTIRE QUESTIONNAIRE | 7 |
0.6%
|
| 2 | YES, PART OF QUESTIONNAIRE | 10 |
0.9%
|
| 3 | NO, NOT USED | 837 |
71.8%
|
| Sysmiss | 311 |
26.7%
|