| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 285 |
0.4%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 457 |
0.7%
|
| 3 | NO, NOT USED | 63636 |
92.6%
|
| Sysmiss | 4331 |
6.3%
|