| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 200 metres | 2470 |
11.8%
|
| 2 | 201-500 metres | 1315 |
6.3%
|
| 3 | 501-1 kilometre | 490 |
2.3%
|
| 4 | More than 1 kilometre | 218 |
1%
|
| 5 | Do not know | 15 |
0.1%
|
| 8 | Not applicable | 15865 |
75.9%
|
| 9 | Unspecified | 535 |
2.6%
|