| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ENTIRE QUESTIONNAIRE | 2446 |
11.9%
|
| 2 | YES, PART OF QUESTIONNAIRE | 167 |
0.8%
|
| 3 | NO, NOT USED | 17417 |
84.8%
|
| Sysmiss | 510 |
2.5%
|