| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 23 |
1.1%
|
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 3 |
0.1%
|
| 3 | NO, NOT USED | 2057 |
95.5%
|
| Sysmiss | 70 |
3.3%
|