| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 17 |
0.5%
|
| 1 | Yes | 152 |
4.5%
|
| 2 | 25 |
0.7%
|
|
| 5 | 3 |
0.1%
|
|
| 9 | 3155 |
94.1%
|
|
| Sysmiss | 2539 |