| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, PRESENT | 2147 |
27.7%
|
| 2 | NO, NOT PRESENT | 4639 |
59.9%
|
| 9 | NO RESPONSE | 7 |
0.1%
|
| Sysmiss | 957 |
12.3%
|