| Value | Category | 
|---|---|
| -5 | other | 
| -4 | missing data | 
| -3 | refused to answer | 
| -2 | not applicable | 
| -1 | do not know | 
| 1 | took measures to protect house/property (target hardening) | 
| 2 | increased awareness / more alert | 
| 3 | acquired a gun | 
| 4 | acquired another type of weapon (other than a gun) | 
| Sysmiss |