| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 200 metres | 2832 |
13.3%
|
| 2 | 201-500 metres | 1446 |
6.8%
|
| 3 | 501-1 kilometre | 572 |
2.7%
|
| 4 | More than 1 kilometre | 272 |
1.3%
|
| 5 | Do not know | 16 |
0.1%
|
| 8 | Not applicable | 15603 |
73.5%
|
| 9 | Unspecified | 477 |
2.2%
|