| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 km | 4596 |
38.6%
|
| 2 | 1 km to less than 3 km | 4063 |
34.1%
|
| 3 | 3 km to less than 5 km | 1323 |
11.1%
|
| 4 | 5 km to less than 10 km | 1039 |
8.7%
|
| 5 | 10 km or more than 10 km | 887 |
7.4%
|
| Sysmiss | 1789 |