| Value | Category | Cases | |
|---|---|---|---|
| 1 | AC | 101 |
68.2%
|
| 2 | DC | 24 |
16.2%
|
| 3 | Portable | 13 |
8.8%
|
| 888 | Don?t know | 10 |
6.8%
|
| Sysmiss | 133 |