| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
0.4%
|
|
| 1 | Yes | 3800 |
85.2%
|
| 2 | No | 635 |
14.2%
|
| 3 | 1 |
0%
|
|
| 4 | 2 |
0%
|
|
| 6 | 2 |
0%
|
|
| 9 | 1 |
0%
|
|
| Sysmiss | 8454 |