| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ENTIRE QUESTIONNAIRE | 485 |
1.2%
|
| 2 | YES, PART OF QUESTIONNAIRE | 237 |
0.6%
|
| 3 | NO, NOT USED | 34882 |
85.8%
|
| Sysmiss | 5056 |
12.4%
|