| Value |
Category |
| -8 |
Don't know |
| 1 |
Physically broken |
| 2 |
Cannot charge the amplifier |
| 3 |
Faulty |
| 96 |
Other (specify) |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.