| Value | Category | Cases | |
|---|---|---|---|
| 1 | AC | 10 |
62.5%
|
| 2 | DC | 3 |
18.8%
|
| 3 | Portable | 0 |
0%
|
| 888 | Don?t know | 3 |
18.8%
|
| Sysmiss | 265 |