| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Less than 1 km | 1065 |
15.1%
|
| 2 | 2. 1 km to less than 3km | 2119 |
30%
|
| 3 | 3. 3 km to less than 5 km | 1242 |
17.6%
|
| 4 | 4. 5 km or more | 1585 |
22.5%
|
| 9 | 9. I don't know | 118 |
1.7%
|
| Sysmiss | 928 |
13.2%
|