| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
0.8%
|
|
| 1 | Yes | 214 |
9.5%
|
| 2 | No | 2028 |
89.8%
|
| 7 | NZ | 0 |
0%
|
| 8 | BO | 0 |
0%
|
| Sysmiss | 19517 |