| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ENTIRE QUESTIONNAIRE | 1401 |
11.7%
|
| 2 | YES, PART OF QUESTIONNAIRE | 6 |
0.1%
|
| 3 | NO, NOT USED | 9818 |
81.8%
|
| Sysmiss | 771 |
6.4%
|