| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, EMPTIED | 1875 |
18.6%
|
| 4 | NO, NEVER EMPTIED | 2241 |
22.2%
|
| 8 | DK | 87 |
0.9%
|
| 9 | NO RESPONSE | 2 |
0%
|
| Sysmiss | 5875 |
58.3%
|