| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 333 |
2.8%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 40 |
0.3%
|
| 3 | NO, NOT USED | 10421 |
88.8%
|
| Sysmiss | 943 |
8%
|