| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ENTIRE QUESTIONNAIRE | 292 |
0.5%
|
| 2 | YES, PART OF QUESTIONNAIRE | 477 |
0.7%
|
| 3 | NO, NOT USED | 60473 |
93.9%
|
| Sysmiss | 3158 |
4.9%
|