| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
0.1%
|
|
| 1 | Yes | 1581 |
32.4%
|
| 2 | No | 3271 |
67.1%
|
| 88 | 16 |
0.3%
|
|
| Sysmiss | 3700 |