| Value |
Category |
| 1 |
fence (wire, wood) |
| 2 |
wall or metal fence |
| 3 |
barbed wire |
| 4 |
electric fence |
| 5 |
security firm sign |
| 6 |
concrete fence |
| 7 |
none of the above |
| 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.