| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 584 |
62.4%
|
| 1 | Less than 1/2 | 77 |
8.2%
|
| 2 | About 1/2 | 68 |
7.3%
|
| 3 | More than 1/2 | 73 |
7.8%
|
| 4 | All | 134 |
14.3%
|
| Sysmiss | 2230 |