| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1470 |
10.3%
|
| 2 | NO | 2310 |
16.2%
|
| 8 | NS | 12 |
0.1%
|
| 9 | NO RESPONSE | 4 |
0%
|
| Sysmiss | 10501 |
73.4%
|