| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ENTIRE QUESTIONNAIRE | 31 |
1.6%
|
| 2 | YES, PART OF QUESTIONNAIRE | 6 |
0.3%
|
| 3 | NO, NOT USED | 1737 |
89.8%
|
| Sysmiss | 160 |
8.3%
|