| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 0.5 km | 140 |
19.2%
|
| 2 | 0.5 to 1 km | 188 |
25.8%
|
| 3 | 1 to 2 km | 164 |
22.5%
|
| 4 | 2 to 5 km | 175 |
24%
|
| 5 | 5 km or more | 63 |
8.6%
|