| Value | Category |
|---|---|
| 1 | I make all or almost all, the calls and messages from this phone number |
| 2 | I make more than half of the calls and messages from this phone number |
| 3 | I make less than half of the calls and messages from this phone number |
| 4 | Other people make almost all the calls or messages from this phone number |
| Sysmiss |