| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ENTIRE QUESTIONNAIRE | 64 |
0.4%
|
| 2 | YES, PART OF QUESTIONNAIRE | 15 |
0.1%
|
| 3 | NO, NOT USED | 17531 |
99.6%
|
| Sysmiss | 393 |